Temtop Pro Series · LKC-1000S+ 2ND & C10 2ND

Temtop Professional Air Monitoring

Dual Flagship Series · Precision in Every Breath LKC-1000S+ 2ND / C10 2ND

C10 2ND · Enduring CO₂ Companion

Clarity, Comfort, Confidence

Equipped with a high‑precision Sensirion sensor, the C10 2ND tracks CO₂, temperature and humidity in real time. It delivers reliable data to help you create a healthier indoor environment.

180 Days · One Charge

Thanks to the ultra‑low‑power E‑Ink screen and advanced power management, the C10 2ND delivers up to 180 days of continuous monitoring without frequent recharging.

180‑Day Endurance

E‑Ink power‑saving technology + high‑performance battery, reliable for a whole season.

180 DAYS

Three‑Color Alert System

CO₂ concentration indicator LED + buzzer, air quality at a glance.

Two‑Button Simplicity

Bluetooth, mute, unit switching – all with two keys, zero learning curve.

E‑Ink Eye‑Care Screen

Paper‑like wide viewing angle, no backlight flicker, clear in any light.

Minimalist Aesthetic

Soft curves blend into modern homes – more than an instrument, a decoration.

Smart App Integration

Connect via Bluetooth to customize alarm thresholds, view history, calibrate, perform OTA updates – all at your fingertips.

Note: This product uses short‑range Bluetooth. Keep the device within optimal range for the best experience.

LKC-1000S+ 2ND · All‑in‑One Station

Efficiency at its finest

Temtop has been developing PM2.5 sensors since 2013. The LKC-1000S+ 2ND inherits this expertise, passing multiple laboratory tests to deliver industrial‑grade accuracy.

PM2.5 / PM10 / HCHO Simultaneous

Track three key pollutants at once. EPA‑referenced color codes make air quality instantly understandable.

Air Quality Indicator

Based on EPA standards, green/yellow/red LEDs show pollution levels at a glance.

Adjustable Logging Interval

Choose 1, 5, 10, 30 or 60 minutes. Large internal memory for long‑term recording.

Data Export · Three Steps

Connect to PC via USB
On device: hold play/stop → select "Data Export"
Open "TEMTOP" drive and copy files

3000mAh Rechargeable

Multi‑sensor operation consumes more power; a full charge lasts 6‑8 hours – adequate for professional use.

*Higher power draw is normal due to multiple sensors.

📋 Technical Specifications – LKC-1000S+ 2ND

Model	LKC-1000S+ 2nd Gen
Dimensions	6.9 x 2.6 x 1.2 in
Battery Capacity	3000mAh
Battery Life	6‑8 hours (fully charged)
Input	DC5V/1A
Operating Environment	32‑122°F, 0‑90%RH
PM2.5 Range	0‑999 µg/m³ (resolution 0.1)

PM2.5 Accuracy	±10µg/m³ (0‑100) / ±10% (100‑500)
PM10 Range	0‑999 µg/m³ (resolution 0.1)
PM10 Accuracy	±15µg/m³ (0‑100) / ±15% (100‑500)
HCHO Range	0‑2 mg/m³ (resolution 0.01)
HCHO Accuracy	±0.03mg/m³ (0‑0.3) / ±15% (0.3‑2)
Interfering Gases	CO, H₂S, H₂, SO₂, NO₂, NO, Cl₂, C₂H₄, NH₃, CO₂, methanol, ethanol, phenols

Professional laser scattering technology for PM2.5/PM10/甲醛. Ideal for indoor air assessment, ventilation verification, etc.

Application Scenarios

🏠 Home · Know your air

🏢 Office · Breathe better

📚 Schools · Protect growth

🌳 Outings · Portable

Which one to choose? Need long‑term CO₂ tracking and extreme battery life? Go for C10 2ND. Need professional PM2.5/PM10/HCHO quantification and data export? LKC-1000S+ 2ND is your tool. Combine them for complete indoor air insight.

PaymentDelivery detailsTerms of salesAbout usContact us

Payment

Payment Methods

We accept a wide range of payment options, including:

✅ Credit Cards & Debit Cards

✅ Apple Pay & Google Pay

✅ PayPal

✅ And many other secure payment methods

If you prefer to use another payment option not listed above, please contact us before completing your order—we'll do our best to accommodate your request.

Payment Timeline

Please complete your payment within 7 days after winning the item. If payment is not received within this period, we will follow eBay's non-payment process.

Tax & Import Fees

Any applicable import duties, taxes, or customs fees in your region are the buyer's responsibility. We recommend checking with your local customs office for further details.

Special Requests

If you have any special requirements (e.g., gift wrapping, specific shipping instructions), please clearly note them in the eBay order notes during checkout.

We strive to make every transaction smooth and transparent. Thank you for shopping with us!

Delivery details

⏰ Processing & Shipping Time

Your order will be dispatched within 1-5 business days after payment confirmation. The total delivery time depends on your shipping address, as we will arrange shipment from the warehouse closest to you.

📦 Warehouse & Shipping Details

We intelligently ship from the nearest warehouse based on your delivery address. The specific shipping options are as follows:

Delivery Region	Shipping From	Carrier / Service	Estimated Delivery Time (after dispatch)
United States	US Warehouse	UPS, FedEx, USPS, or DHL e-commerce	2-6 business days
Europe	EU Warehouse	DHL Express	2-5 business days
United Kingdom	UK Warehouse	ParcelForce	2-5 business days
China	CN Warehouse	Standard Parcel (default surface mail)	8-15 business days
China	CN Warehouse	Express Service (additional fee required)	7-21 business days
Other Regions	Optimal Warehouse	Standard Postal Service (e.g., China Post, Hong Kong Post)	10-30 business days
Other Regions	Optimal Warehouse	Express Service	7-21 business days

⚠️ Important Notes

Address Accuracy: Please ensure you provide a complete and accurate shipping address along with a valid phone number to ensure smooth delivery.
Delivery Issues: If a package cannot be delivered due to address problems, we will contact you via eBay Messages to discuss a solution (such as changing the shipping method or arranging shipment from another warehouse).
Missing Package: If you have not received your order within the estimated delivery window, please contact us promptly. We will fully assist in tracing and resolving the issue.
Special Requests: For any special delivery instructions, please note them clearly in the "Notes to Seller" section during checkout.

Terms of sales

Product Warranty

We are the official Elitech & Temtop store on eBay, guaranteeing that all products sold are 100% genuine and original.

Devices come with 12 to 24 months of free maintenance service.
Accessories are covered by a 3-month warranty period.

For warranty or replacement service, please contact us first. We will respond within 12 hours.

Return Policy

If you are not satisfied with your purchase, you may request a return within 30 days of receiving the item. Please ensure the item is in its original condition and contact us via email first to obtain the return address and instructions.

The standard process is: Submit a return request → Seller processes → Receive return label → Arrange the return → Refund is issued after the returned item is received.

If you receive a defective item, please provide photo/video evidence within 30 days while keeping the item intact. Reply with the relevant information to the designated email, and we will guide you through the exchange or assist with the return/refund process.

Please note: We reserve the right to refuse returns for items that are beyond the 30-day period, have been used, or are damaged. Additionally, any repair or replacement costs required for the returned item shall be borne by the buyer.

Buyer Protection

As a trusted eBay seller, we sincerely promise to happily address any of your questions and ensure you have a satisfactory and worry-free shopping experience. Should you encounter any issues during your purchase, please be sure to communicate with us via the eBay messaging system or our dedicated email address. We are committed to providing you with our full assistance.

About us

About Us
Elitech Technology Co., Ltd. (Elitech) is a manufacturer of temperature and humidity monitoring and control solutions with 26 years of industry experience, headquartered in Silicon Valley, California, USA. We specialize in the R&D and manufacturing of high-precision environmental monitoring equipment. Our core products include:

Temperature and Humidity Data Loggers
Refrigeration Units and Electrical Control Panels
Digital Hygrometers
Smart Halogen Leak Detectors
Microcomputer Temperature and Humidity Controllers

As a direct manufacturer and supplier, we leverage efficient supply chain and production management to consistently deliver reliable, competitively priced products that support successful operations across commercial and industrial applications.

Our Strengths

Global Presence: Offices and warehouses in the U.S., EU, UK, and China enable rapid shipping and localized after-sales support.
In-House R&D Capabilities: Our experienced development team drives continuous product innovation and technological advancement.
Stable Supply Chain: Direct factory sourcing with stringent production and material controls ensures consistent delivery and outstanding value.

Tax Notice
Buyers are responsible for any import duties, taxes, or customs clearance fees incurred at the destination. Consult local customs or tax authorities beforehand to accurately estimate total delivery costs based on specific tax policies and rates.

Our Service Promise

Thank you for trusting us with your purchase. Every order is truly meaningful to us, and we are committed to providing you with a smooth, reassuring, and enjoyable shopping experience.

If you encounter any issues during your purchase or have any questions about our products, please feel free to contact us via eBay Messages at any time. We value your feedback and will make every effort to provide a solution within 24H.

We are here not only for order support but also to assist with technical questions and product usage. We look forward to growing with you through our conversations and becoming your trusted technical partner.

Service Hours:
Monday to Friday, 9:00 AM – 6:00 PM . Please note that responses may be slightly delayed on weekends and public holidays.

Thank you once again for giving us the opportunity to serve you. We wish you a pleasant shopping experience and smooth use of your products.