3 in 1 multi function: Carbon Monoxide Alarm and Temperature Alarm.Bring you all-round protection.
Two-way smart sensor improves detection performance by 2 times (0.1-0.5 DB/M). Built-in temperature sensor.When the temperature reaches 55℃, it will alarm immediately.
85 dB High Decibel.The loud alarm sound ensures that you can hear the alarm even in deep sleep.The concentration of CO in the air can be clearly seen through the attached LCD display.
It uses 2 AAA batteries.One installation can last for several years.When the battery is at low voltage, it will alarm once every 40 seconds.
Power-saving design. Press the "TEST" button to start the product with the battery installed. After about 10 seconds, the LCD screen turns off completely. The product operates normally at this time. Reduce the frequency of battery replacement.