Combo Smoke & CO Alarm, Hardwired, AA Battery Backup

This Hardwired Smoke & Carbon Monoxide Alarm, interconnectable with AA Battery Backup, model 900-CUAR-V, helps protect you and your family from two hazards – fire and dangerous carbon monoxide (CO) – in one unit. This smoke and carbon monoxide alarm combo features self-testing components that are always checking to make sure the alarm is on and working.* What’s more, the included mounting bracket makes installation quick and easy. This carbon monoxide and smoke alarm is capable of being hardwired to other select Kidde alarms,** to provide whole-home alarm activation. This setup allows interconnected Kidde alarms to sound in unison, helping to ensure that everyone in the house is alerted.