An alarm of 85 decibels (adjustable) will sound. falseWe provide unconditional return and exchange within 1 year. false- 5-in-1 Detectors - Real-time monitoring of carbon monoxide (PPM), combustible gas (%LEL), temperature(°F), humidity(RH%) and Backup Battery.
- Easy Installation - Plug and play. Need to remove the screen protector.
- 9V battery backup provides protection during a power outage.
- An alarm of 85 decibels (adjustable) will sound.
- We provide unconditional return and exchange within 1 yea