













420W
1504
1773 µmol/s
5×5ft(38X38inch)
3 Years
1504 LM281B LEDs · 1773 µmol/s PPFD · 5×5ft Flower / 4×4ft Veg · 0 dB Silent · Daisy Chain 100+ · 3-Year Warranty — Replaces 1800W HPS/MH at 420W

Package includes:

WHY CHOOSE FD-E4800 DETACHABLE LED GROW LIGHT ?
🏆True 420W · 1504 LM281B Diodes· 1773 PPFD · 5×5ft Flower Coverage · IP65 Waterproof · 0 dB Silent ·
Daisy Chain 100+· 3-Year Warranty — Commercial-grade features, competitive price.
PPFD (Photosynthetic Photon Flux Density) measures usable light reaching your plants[reference:16]. Higher PPFD = more photosynthesis = faster growth. FD-E4800 delivers 1773 µmol/s — commercial-grade intensity for maximum yields.
Efficacy (µmol/J) measures how efficiently electricity becomes plant food. Premium fixtures target 2.8-3.2 µmol/J[reference:17]. FD-E4800’s 2.7+ µmol/J means more photons per watt — lower bills, higher yields.
Red light at 660nm is the most photosynthetically efficient wavelength[reference:18]. It drives photosynthesis, biomass accumulation, and flowering[reference:19]. FD-E4800 includes 48 dedicated 660nm LEDs.
Blue light at 450nm regulates leaf morphology and prevents stretching[reference:20]. It keeps plants compact, sturdy, and stress-resist



CTLite — Professional grow lights for US & AU home gardeners.
Questions? Message us — we're real growers. 🌱

Increase Profit Significantly:
30%- higher yield compared to traditonal grow lamps
38%- lower light power consumption compared to traditonal grow lamps
50%-higher PPFD compared to traditonal grow lamps
50%- lower HVAC costs compared to traditonal HPS HID lamps
Increase lighting uniformity by 60%
Improve heat dissipation efficiency by 40%
The height can be reduced to 20cm
ADVANTAGES:
🔥Premium Quality🔥Free Fast Shipping🔥Best Service🔥
* Full spectrum or customized spectrum are available to meet customers needs. High efficacy didoes to promote yields and improve quality of plants.
* UL listed high quality dimmable drivers, ensure stable performance and longer lifespan. With dimming knob to adjust the light
intensity to meet plants need at different stages.
* The power input is from 100 to 277VAC, power factor is more than 0.98. Photo efficacy is based on request, higher up to 2.95
umol/j.
* Detachable structure design, safety and convenient for transportation and installation.
* With Aluminum heat sink material can get fast heat conduction, better at heat dissipation.
* IP65 with 3-5 years warranty, it can last 50,000 hours, longer than many LED grow lights on the market, save more cost.

OPTIMAL FULL SPECTRUM
The secret to CTLite's success is optimal full spectrum lighting which provides plants in all stages from veg to flower with everything they need in the natural sunlight, turn your seeds into your own supply, produce beautiful high yielding plants. And make indoor planting become more easier and more convenient. This results in bigger buds and higher yield all while saving you on energy costs

Dimmable Function & More Flexible
Dimmable function allows precise spectral control and suitable for each growing phase. The dimmer knob to change the brightness level of the whole light from 20-100% needed to obtain perfect growth performance. Dimmable knob is more flexible than switch. Especially for new growers who have no much planting experience.
Superior Spectrum 2.95umol/J & High PAR Output
Full spectrum designed, consists of 660nm of red light, 3000K and 5000K of the white light spectrum, which provide
everything plantsdesired in the natural sunlight, turn your plants. And make indoor planting become more easier and more convenient.
Water Resistant & Solid Construction
The bar series grow lights are coated evenly. Solid glue process on each chips can avoid moisture effectively and increase the life of the board. Suitable for kinds of indoor using environment. The lights are made of good structure and reliable quality materials. It's the best choice for indoor growers.

FD-E4800 LED GROW LIGHT FEATURES & SPECIFICATION
Feature: The CTLite FD-E4800 draws true 420W from the wall — not “equivalent wattage” marketing hype. Equipped with 1504 high-efficiency LM281B SMD LEDs in a scientifically optimized 4-bar layout. Delivers 1773 µmol/s PPFD output — 30% higher yield than traditional HID systems.
Advantage: Optimized 4-bar diode distribution ensures uniform PAR across the entire 5×5ft canopy — no harsh hotspots, no weak corners. 70% energy savings compared to HPS.
Benefit: Your electricity bill stays low while your yields stay high. Commercial-grade performance at residential-grade power consumption. One light covers a full 5×5ft tent.
Feature: Precision-engineered spectrum combining 3000K + 5000K white, 660nm deep red, and 450nm blue LEDs — covering the full 380-780nm range. 3000K promotes lush foliage and strong stems; 5000K drives compact vegetative growth; 660nm deep red triggers flowering and fruiting; 450nm blue prevents stretching and keeps plants compact.
Advantage: This scientifically balanced spectrum supports every growth stage — from seedling germination to vegetative growth to flowering and fruiting.
Benefit: Grow tomatoes, peppers, herbs, leafy greens, orchids, and high-value commercial crops with one fixture. One light, all stages, all crops.
Feature: The FD-E4800 provides 4×4ft flowering coverage and 5×5ft vegetative coverage — delivering 1773 µmol/s PPFD at 12-inch hanging height. The 4-bar modular design ensures scientific light distribution.
Advantage: Every plant gets the light it needs. Full canopy uniformity means every bud, every leaf, every plant grows consistently. Perfect for 5×5ft and 4×4ft grow tents, commercial greenhouses, and vertical farms.
Benefit: No more “corner plants always underperform.” Commercial-grade coverage for commercial-grade results.
Feature: 100% fanless design with large-area solid aluminum heat sinks — no moving parts, no noise. Passive cooling eliminates fan failure risk, dust accumulation, and noise pollution. Runs silently 24/7.
Advantage: The thickened aluminum board speeds up passive heat dissipation — no need to buy extra cooling devices. 50% longer lifespan than competitor lights with fans.
Benefit: Place this light in commercial greenhouses, grow rooms, or home tents — zero noise disturbance. No humming. No buzzing. No fan to break.
Feature: Built-in daisy chain capability via RJ11 signal port — connect up to 100+ FD-E4800 lights and dim them simultaneously from one master control.
Advantage: One dimmer controls all connected lights simultaneously. No separate controller needed. Scale from 1 light to 100+ without rewiring.
Benefit: Perfect for commercial growers expanding their operation — from a single 5×5ft tent to a multi-rack vertical farm or large greenhouse. Start small. Scale big. One control for all.
Feature: Precision manual dimming knob — 0-100% dimming function meets the needs of all plant growth stages.
Advantage: Dial in the perfect intensity for every growth stage — lower for seedlings, maximum for flowering. No complex programming, no app required. Simple, reliable, and intuitive.
Benefit: Commercial-grade control for commercial-grade operations. Highly recommended for use in grow rooms, home growing, and large-scale greenhouse operations.
Feature: 50,000-hour rated lifespan (L90) — less than 10% light decay after 5+ years of continuous use. Backed by a 3-year US warranty (extendable to 5 years). Premium LM281B LEDs + solid aluminum heat sinks + UL-certified driver = industry-leading durability.
Advantage: CE, RoHS, ETL ISO9001 certified — meeting rigorous US and international safety standards. ETL certification is the US standard for commercial-grade quality. IP65 waterproof rating protects against moisture and dust — safe for greenhouse and high-humidity environments.
Benefit: One purchase, years of reliable growth. No frequent bulb changes. No unexpected failures. Peace of mind for the long haul.
Feature: Innovative detachable 4-bar design — greatly reduces packaging volume, lowering shipping cost for US domestic and Australian interstate transportation. Each bar can be replaced individually, saving maintenance costs.
Advantage: Open the box, assemble the 4 bars, hang it, plug it in, and dim. Simple installation, detachable for easy repair. Folds flat for easy storage when not in use — ideal for apartment growers with limited space.
Benefit: Lower shipping costs, easier storage, simpler maintenance. Perfect for commercial growers who need to scale, maintain, and replace components efficiently.


WHY CHOOSE CTLite GROW LIGHT BAR?
💪Fully assembled, industrial grade construction and durability ,
covering full PAR (380-730nm) promotes photosynthesis for Growth & Bloomming,
💪Optimized spectrum for all phases of plant growth and production
💪High performance aluminum alloy light bar, Fast heat dissipation, Uniform illumination, lifespan up to 50000 hours.
💪Scientifically engineered spectrum to maximize photosynthesis, growth, and yield
💪40% less energy consumed and heat generated to produce an equivalent amount of delivered PAR than 1000W HPS
💪Superior delivered PAR output and PAR photon efficacy than 1000W HPS
💪Passive cooling design eliminates inferior features such as fans, moving parts, and noise
💪14 years experienced R&D team,rich experience in OEM/ODM.
💪Truly Full Spectrum~Suitable for all Grow Stages from Seeds to Harvest~1w>2.7grams(Max)
💪Sustainable and environmentally friendly mercury-free lighting source compared to traditional technologies (HID and fluorescent) requiring hazardous waste disposal
💪Adjustable LED panels allowing for more focused or more diffuse lighting distribution over the plant canopy
💪Applications: Indoor crop production, greenhouses, growth chambers, retro-fit existing HID or new construction controlled environment grow facilities.



💡 Why settle for compromise when you can have everything?
Most 300W-450W grow lights make you trade off — lower efficacy, no waterproofing, limited folding, shorter warranty. CTLite FD-E4800 doesn't. Here's how it compares to the two biggest names.
| Comparison Item | others LED Lights | ✅ CTLite FD-E4800 |
|---|---|---|
| Efficacy | 2.5 μmol/J | 2.95 μmol/J High Efficiency |
| Structure Design | NOT-DETACHABLE | Full DETACHABLE Save Shipping & Storage |
| Driver Type | External Need Assembly | Detachable Driver Lower Heat & 40% Cooler |
| Control System | Basic Daisy Chain | RJ Port + Master & Slave One-Click Control |
| Noise & Heat | Fanless Basic Cooling | Aluminum ( Expensive but Light-Weight) 100% Zero Noise |
| Waterproof Grade | Non-waterproof | IP65 Waterproof Dustproof & Sealed |
| Certifications | CE, RoHS | CE, RoHS, ETL, ISO9001 Full Certifications |
| Warranty Period | 2 Years | 3 Years Official Long Warranty |
| 🏆 Winner | — | CTLite FD-E4800 Wins in All 10 Categories |
💎 Why CTLite FD-E4800?
⚡ Voltage Note: US buyers — 110V plug & play. AU buyers- 240V Plug & Play.
🔍 SEO: Ctlite FD-E4800 grow light · DETACHABLE LED grow light · dimmable grow light · daisy chain grow light · master slave control · ETL certified grow light · IP65 waterproof · full spectrum · 4x4 /5x5 grow tent · passive cooling · quiet grow light · 3 year warranty
CTLite — Professional grow lights for US & AU home gardeners.
Questions? Message us — we're real growers. 🌱

We can do whatever we can to ensure that interests of consumers
Free Services
Planting plan consultation: recommend the best configuration based on your plant variety, planting area, and budget
Installation guidance: Provide graphic and video tutorials, remote assistance for installation and debugging
Light distribution optimization: Use Controller ( Sold Seperately ) for lighting simulation and optimize lamp layout
Fault diagnosis: Quickly identify the problem and provide solutions


❓ 12 Questions US & AU Growers Ask Most
Yes. High PPFD at 12" — covers 5X5ft veg, 4×4ft flower. True 420W avoids excess heat. 2.95 µmol/J means more light per watt.
Full DETACHABLE saves 40-50% shipping cost and stores flat. Perfect for US apartments and AU limited spaces.
RJ signal port connects up to 50 lights. One master controls all slaves. No separate controller needed — saves you $50+.
No assembly. Detachable Driver, Remove Freely. Unfold, hang, plug in. 5-minute setup — beginner-friendly.
100% zero noise. Fanless passive cooling with thickened aluminum. No humming, no buzzing — bedroom and study safe.
Yes. IP65 sealed resists dust, splashes, humid air. Ideal for AU coastal and US greenhouse.
Yes. Higher than most 300W-450W lights. Cuts long-term power costs — critical for high electricity tariffs.
Yes. Covers germination, veg, flowering — prevents stretching, promotes dense foliage. Suitable for herbs, vegetables, succulents.
ETL + CE + RoHS + ISO9001 certified. Meets US safety and AU standards. No flicker, no radiation — 24/7 safe.
Thickened aviation aluminum improves passive cooling — reduces light decay, extends lifespan. Lightweight — easy to hang.
Industry-leading 3-year warranty — longer than Others (1-2 years).
Yes. RJ daisy chain supports unlimited connection. One master controls all — simplifies multi-tent management.
⚡ Voltage Note: US — 110V plug & play. AU — 240V→240V Plug & Play
🔍 SEO Keywords: 420W grow light · DETACHABLE LED grow light · dimmable grow light · daisy chain · master slave · ETL certified · IP65 waterproof · full spectrum · 4x4 grow tent · passive cooling · quiet · 3 year warranty · 2.95 µmol/J · high PPFD · energy saving
CTLite — Professional grow lights for US & AU home gardeners.
Questions? Message us — we're real growers, not robots. 🌱














CTLite has been developed by growers over Ten years of careful experimentation and testing. We mainly produce the led grow light and Hydroponics accessories in Agricultural Greenhouses help indoor and outdoor plants growing. Scientifically engineered to deliver the highest level of PAR output and balanced Coverage in the Commercial LED grow market.
CTLite LED Grow Lights are built with high quality LM281B/LM301B diodes and cobs Chips. The lights encompass a continuous range of wavelength from blue and green to red, creating a Full spectrum light blend matching the natural sunlight.
CTLite customized our light spectrum to optimize plant growth and increase yields while consuming less energy and reducing operating costs compared with traditional horticulture technologies.
Higher Light Intensity, Better Coverage, More advanced features ( dimmer and wifi control
US,EU,AU,DE Local warehouses for fast shipment.95% of the goods are in 4-8 days Fast Delivery

CTLite are committed to designing, developing, and manufacturing high quality led grow lighting solutions, for both
home growing and commercial applications where reliability and precision are a key factor.
Each product has undergone 24 hours of quality testing and integrating sphere spectroscopic testing instrument to
ensure the quality and PPFD value.
We have professional market sales and after-sales service center, to give you the most convenient and comfortable
shopping experience.lf you have any question, please feel free to contact us. We will reply you within 24 hours.


CERTIFICATIONS:
CE FCC and RoHS – Certifies that a product has met US/AU/EU consumer safety, health or environmental requirements
ETL UL and ISO90001 Listed – The ETL UL and ISO90001 Mark is proof of product compliance with North American Safety Standards, also it compliance with AU/EU Safety Standards

US,EU,AU,DE Local warehouses for fast Discreet shipment.
95% of the goods are in 4-8 days Fast Delivery


















If your tracking number shows delivered on the shipping company’s website but you don’t have it, please do the following:
• Check the area around your home for the package and ask anyone it may have been left with.
• If the package is not found please call the shipping company’s directly to report a missing package. so you can get the logistics information fastest.
• Pls email us about it at the same time.
CTLite can not be held responsible for packages stolen from the delivery address
so please be sure to ship to a secure location! If the items are lost, we need at least 30 days to investigate.
so after we provide the tracking number, hope you can follow the dynamics of the logistics of the items,
continue to view our mail about the notification, so you will receive the items successfully.

CTLite believes in making great planting lights for our customers. We follow strict development guidelines and quality standards and we fully stand behind our products. CTLite Official Store values transparency and building good relationships with our valued customers. As a result of this, we employ no questions asked warranty policy for all our customers. We offer a 3-year extended warranty on every grow light we sell. If you ever do have any issue with your light we will resolve it quickly with our unbeatable customer service. Buy with confidence, buy CTLite.
30 days free returning after delivery, in the precondition of non-artificial damage.
If the reason for return isn’t quality-related, the customer must pay the return shipping costs.
6 months ALL FREE warranty:
Free components, repairing and replacement service with 2-way free shipping can be provided within 6 months after delivery.
7 months to 3 years after delivery:
Free components. Buyer needs to pay shipping fees and reparing fees.
For the lights couldn't be repaired, a whole new light would be send out after charging 50% of the retail price.
Before you make any returns or warranty requests, send your order number, a photo or video of the faulty product,
and a description of the faulty product to contact us via the form below, our engineers will assist you.
Don't love your new CTLite LED grow light? Before you make the decision to return, feel free to reach out to us by email for a complimentary consultation and we will do our best to help you out with any concerns or questions.
We accept order cancellation before the product is shipped or produced. If the order is canceled you will get a full refund. We cannot cancel the order if the product is already shipped out.
If you wish to return a product, please contact us to get the return label,and we will be pleased to provide you with a full or partial refund based on the product condition when returned to us, and subject to the other terms and conditions.
Before returning any product or proceeding to initiate a product return, please review the following return/refund terms and conditions below, which set out the different refund and return details.
Eligibility of the return of planting lights is based on the following criteria:
Return Validity
Up to 30 days from the date you received your item. The delivery date will be based on our tracking records.
If 30 days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.
Return Packaging
Product/s must be returned in the ORIGINAL PACKAGING.
Shipping
If the return is caused by the consumer, the consumer should be responsible for the shipping fee. If you receive a refund, the cost of return shipping will be deducted from your refund. And it is your responsibility that the package arrives safely to us. (Do note that you are responsible for any damage or loss of goods during the return process. We encourage you to pay for shipping insurance to cover such damage and loss. You are responsible for any insurance claim filing with the carriers.)
If due to our reasons, the goods received are damaged or not correct, the consumer is not required to bear the shipping fee for this reason.
Refund will be initiated within 3-5 business days of us receiving the product and after inspection. Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 3-5 business days.
We reserve the right to give a partial refund in cases when the return is not in an unused condition, is damaged, or has missing parts not due to our error (If the return is caused by the consumer).
We will not accept returns in the following conditions:
Items outside the 30 days warranty time frame.
Used or misused items.
If you still return it, the return shipping fees should be at buyer's responsibility, and we'll charge based on the product condition.
CTLite Technology Co., Ltd. is a professional manufacturer that specializing in research, design,
production and sales of LED lighting products with years of experience in the field.
The main products include high-end programmable LED grow lights, LED aquarium lights with RoHS,
FCC and CE certification.
-Pursuing excellence product, meeting or exceeding your expectations.
-Establish long-term and reliable cooperative relationships with you.

Q1:Can you send me free sample or Can I have a sample order for grow tent?
A: Yes, We welcome your sample order, and we’re also willing to send you free sample to help us test and check quality. You only need to show your real grow journal to help our other customers to know more about it.
Q2: How many days can I get my package after placing order?
A: we arrange shipment in 24 business hours with 3-5 business days fast shipping method if stock is enough. If the area needs to be shipped from China, usually the shipping will take 7~10 business days, considering the custom clearance time.
Q3: Can I cutomize my own Logo/Design/Spectrum?
A: Yes, you can, please email us or contact us via platform to confirm more details
Q4:we have a commercial project,Can you help offer a solution
A:Yes,please message us more detail of your project,we will give our best advice.
Q5:What is your warranty?
A: We offer 2-5 years warranty for all our led grow lights, while grow tents are final sale upon usage. We have repair center in
USA, Canada, AU, UK, Germany,Russia. We will reply within 24 business hours.
Q6: What shipping methods do you use?
A: AU Post or Direct Freight for shipments within Australia, UPS and Fedex for shipments within United States, Yodel for the United Kingdom, etc. As to international shipping from China, the lights will be shipped via Fedex, UPS, DHL, EMS, etc. If you would like to specify a shipping method or carrier, please let us know and we will do our best to arrange it for you.
Q7.What's the difference between your CTLite grow light bar and flu spyd light,or other brands ?
1). CTLite lights has more color and wavelength lights-3000K,5000K,660nm Red and IR 760nm All in One. You don’t need to buy more
lights for different color or wavelength. CTLite multiple bar series light will save you a big budget.
2). 100% pure aluminum material heat radiation,and CTLite use UV Protection pc cover, prevent the diodes from corrosion and
vulcanization in humid environment. This makes CTLite lights have a far longer lifetime than other brand lights.
3). For user’s safety, CTLite use electric shock proof covers on every connections.
4)CTLite use the driver with UL certificats ,the whole light with ETL.
5). CTLite is more friendly on the price, will save your money.
Q8.What brand of the Leds?
High Efficiency 5630 561b plus ,lm561c,lm301b,301h and smd2835,depend on customers requirements.
Q9.Can you daisy chain these lights?
Yes ,usually used in the projects,need to change cables.
Q9. Is it OK to print my logo on led light product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q10. Do you offer guarantee for the products?
A: Yes, we offer 3-5 years warranty to our products.
Q11. Is it OK to print my logo on led light product?
A: Yes. Please inform us formally before our production and confirm the design
firstly based on our sample.
Q11: Do you offer guarantee for the products?
A: Yes, we offer 3-5 years warranty to our products.
Q12: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will
be less than 0.2%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. For defective batch products, we
will send you parts for replacement, as solo is very easy to fix, and all you need is a screw driver.
Q13. Do you have CE, RoHS FCC ETL Certificates?
A: Sure we do
Q14. What payment method do you accept?
A: We accept PayPal, TT (Bank Telex Transfer), payoneer payment, LC payment.

