Battery-operated combination carbon monoxide alarm and smoke alarm
Uses electrochemical carbon monoxide sensor–the most accurate technology available
Photoelectric sensing technology reduces nuisance smoke alarms

Superior combination carbon monoxide sensor and ionization smoke alarm
Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms
Easy to install universal mount bracket

Combination smoke and carbon monoxide detector in one unit.
Patented smoke entry system allows for a direct path to the photoelectric smoke sensor.
Nuisance free photoelectric technology reduces false alarms that result from cooking and shower steam.