3 IN 1 ALARM - CARBON MONOXIDE/NATURAL GAS/PROPANE GAS
Electricity operated : just plug into your 120 V outlet. 9 V battery backup for a continuous protection in case of a power failure (included). Test/reset button: tests circuitry and resets alarm. Digital readout: continous display of CO levels (carbon monoxide) and detection of natural and propane gas. Peak level memory: recalls the last highest recorded level of CO. 5-year warranty.
HOWDEN #1053214
ALARM SMOKE/CARB.O. COMBO 120V