Carbon Monoxide Detector Plug in, Carbon Monoxide Detector Plug in Wall with Temp Humidity, Alarm Function with Clear LCD Display CO Detector for Home Kitchen RV Travel, 1 Pack

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Plug-in carbon monoxide comprehensive detector: The plug-in carbon monoxide comprehensive detector clearly displays the changes in temperature, humidity, and carbon monoxide concentration in the home. The installation location is not restricted. The plug-and-play design is more convenient to use and supports the US standard 110V-220V AC power socket.
Easy to use: Equipped with advanced temperature, humidity and carbon monoxide sensors, the product does not require any operation. Just plug in the power supply to use it normally. The button can switch the temperature and humidity, screen brightness, switch buzzer and other functions.
Alarm function: We have upgraded the alarm function. When the concentration exceeds 50PPM, the product will quickly issue an alarm sound of more than 85dB to remind you that there is carbon monoxide gas in the surrounding environment and you need to open the window for ventilation in time.
3-speed brightness adjustment design: You can press the brightness adjustment button to adjust the brightness. When you choose to turn off the screen brightness, the indicator light on the screen will flash every 30 seconds to remind you that the product continues to detect the surrounding air quality. Please note: The screen indicator light will only flash when the screen brightness is turned off.
Self-test function: The carbon monoxide concentration is usually displayed as 000PPM. If you want to regularly check whether the product is working properly, you can press the “O” button to perform a self-test. When the product enters the self-test step, short press the “O” button to make a “beep” sound, then the green light flashes 3 times, and the red light flashes 3 times, indicating that the product is working properly and the self-test step is over.