Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm Voice Alert Pack of 2
- 2-in-1 protection: combo smoke & carbon monoxide alarm in 1 unit, LED lights, & voice alarm that states "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!".
- Ionization sensor technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.
- Detects during power outages - powered by 2-AA, alkaline batteries (included).
- Test-Hush Feature - silences the unit for approximately 8 minutes.
- tamper-resistant technology deters removal of the unit from the wall or ceiling.