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Kidde Firex i4618 Hardwired 120V Ionization Smoke Alarm

Kidde

Ionization sensor
120V power source with 9V battery back-up
Front-loading battery door allows battery to be changed without removiing alarm from mounting bracket
Pre-stripped wiring harness with easy-off caps does not require stripper tool
Tinned strands increase conductivity and wire-nut grip
Large test/hush alarm control button
Dust cover to protect sensor from contaminates reducing nuisance alarms
Interconnectable with upt to 24 devices including smoke, carbon monoxide, and heat alarms
5-year limited warranty