1 This alarm detects carbon monoxide through the air intake. 2 When the concentration reaches a certain value, a 90 decibel alarm sound and warning light will be issued (the interval is different for different concentrations). 3 LCD display real-time display density (less than 30PPM will not display). 4 Powered by 2 AAA batteries (not included), low power consumption, can last for about 1 year. 5 Easy to install, effectively protect the health of you and your family.
What's in the box
1 x Mini Round CO Sensor Detector