Combo Smoke +CO2 Alarm w/battery backup

Kidde Combination Smoke and Carbon Monoxide Talking Alarm.

Ionization Technology – Better at detecting fast flaming fires.

120V AC Direct-Wire – Interconnects with up to 24 units, of which 18 can be initiating.

2 X AA Battery Backup (included) – Continuous protection in case of power failure.

Test / Reset Button – Tests circuitry and resets alarm.

Hush® Button – Quickly silences nuisance alarms.

Talking Alarm – Voice messages with sounding alarm identify different dangers.

2-in-1 unit – Advanced sensors for detecting both CO and smoke.