Kidde Hardwired Smoke & CO Alarm, 10-Year Sealed Battery (30CUA10-V)

Hardwired 120V combination smoke and carbon monoxide alarm with a sealed 10-year lithium battery backup, so there's no battery to replace for the life of the unit. Photoelectric smoke sensing meets Massachusetts residential requirements. Voice alerts announce the hazard type and location. Interconnects with up to 24 Kidde devices. Ideal for rental turnovers and annual inspections.