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4-in-1 Detector, 4-in-1 Carbon Monoxide Alarm Detector, Carbon Monoxide Alarm Detector

This 4-in-1 carbon monoxide alarm detector is a reliable safety tool designed for homes and small enclosed spaces. Equipped with professional-grade, high-precision sensors, it supports real-time monitoring of four environmental parameters. Combined with a high-brightness LCD screen that displays data clearly, it keeps you informed of safety conditions at all times.

Enhanced Safety: It is equipped with high-precision sensors, and it provides 360° all-around detection and is highly sensitive to changes in methane and carbon monoxide concentrations. Once concentrations exceed the threshold, a high-decibel audible and visual alarm is immediately triggered, effectively waking users even from deep sleep to prevent poisoning or explosion accidents.

Plug-and-Play: Featuring a plug-in design, it supports a wide voltage range of AC 110–240V without requiring batteries or additional wiring. Simply plug it into a wall outlet to start using it. Equipped with a one-touch test button, users can verify device functionality. Its user-friendly design allows even the elderly and children to use it with ease, significantly reducing installation and maintenance costs

Clear and Intuitive Display: It features a high-brightness LCD digital display that shows real-time temperature (switchable between °C and °F), humidity, carbon monoxide concentration (PPM), and methane concentration (% LEL). Green, red, and yellow indicator lights represent power status, alarms, and malfunctions, respectively, allowing users to quickly assess environmental safety conditions

Round Edges: Smooth edges not only feel comfortable to the touch but also enhance safety during use.

Modern White Hue: The white exterior looks stylish and sleek.

Application

It is suitable for home kitchens, bathrooms, and bedrooms, and can also be widely used in professional settings such as hotels, restaurants, coal mines, and chemical workshops, meeting the safety monitoring needs of various industries.

Specifications

Color: White
Material: Plastic
Voltage: AC 110–240 V
Standby Current: 450 μA
Alarm Current: 150 mA
Detection Angle: 360°
Detection Range: 30–50 m/98.43-164ft
Working Temperature: 0–50°C/32-122°F
Transmission Frequency: 433 MHz
Mounting Type: Wall-mounted
Product Size: 10.3*5.6*2.3cm/4.06*2.2*0.9in
Package Size: 13* 11.2* 6.5cm/5.12*4.41*2.56in
Gross Weight: 0.13kg/0.29lbs
Net Weight: 0.12kg/0.26 lbs

Package Included

1 *4-in-1 Carbon Monoxide Alarm Detector
1* English Manual

Notes

1. Please read the manual carefully before use, paying particular attention to the safety instructions.
2. Please allow the slight color difference caused by the shooting light and a 1-3cm error due to manual measurement, and make sure you do not mind before ordering.

 
We accept ebay payment 。
Fees such as import duties, taxes are not included in the item price or shipping costs. These charges are the buyer's responsibility.
Shipping:
 
2-9 working days to: USA
 
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    • We maintain high standards of excellence and strive for hundred percent customer satisfaction. Feedback is very important to us. We hope that you contact us immediately before you give neutral or negative feedback, so that we can address your concerns. It is impossible to address issues if we do not know about them!
 
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Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. Our certified technicians have tested each item before shipping. The unit comes with 1 year limited warranty on all manufacturing defects.
a) If you receive a defective item, you may return it or ask for a discount. Please contact us within 14 days after you receive the package.
b) What you returned must be intact and in its original packaging as re? u. Customer is responsible for shipping costs of the returned item.
c) We will cover the cost of shipping back t with the shipping rate indicated in the registration page. We will send you a new unit or refund the full payment you paid.
Thank you.
Business Hour
Business Hour: Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
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On Sep 18, 2026 at 00:10:48 PDT, seller added the following information:

Datacaciques