About this item

2.1" HD Multi-functional: The carbon monoxide detectors have an HD 2.1" IPS display and high accuracy co-sensor, which refreshes each 2s, to detect surrounding co-value quickly, with a detecting range is 0-999PPM, ±5PPM. At the same time, it could be used as a thermometer and hygrometer. The temperature range is 14°F~122°F, ±5%, and the humidity range is 0~95% RH, ±5% RH
UL Test and Electrochemical Sensor: The carbon monoxide detectors plug-in alarms are with UL standard test, safe is the first, which means it will respond faster and more accurately
3-in-1 Design: The carbon monoxide detectors combine and monitor CO, temperature, and humidity in real time. Also, this is available for 110-220V volts. It is perfect for indoors, a home, a living room with a stove, a wood fireplace, kitchen, bedroom, bathroom, cellar, hotel, and garage
Easy to Use: 1. Plug the co-detector into the socket, and it will turn on. 2. Short press "O" to test the alarm, if it beeps 3 times, the green indicator light flashes 3 times, then everything is ok. 3. Long press "O", and change °F to ℃. 4. Press "H", to adjust the screen brightness, there are 3 brightness modes: High-Low-Turn off the backlight. 5. Press "D" to switch the alarm (85dB) on/off. The beep will be activated when the value is over 50PPM, and it can be shut down by pressing "D". But when it is over 200PPM, the alarm is always issued automatically and can't be shut down manually until it is less than 200PPM
Premium Quality and Portable: The carbon monoxide alarm maintains its versatility, high sensitivity, and easy-to-read technology and has a modern, compact, and portable appearance, making it more suitable for an average home or apartment