120V Hardwire, Ion Smoke w/ battery back up

The Kidde i12040CA is a 120V AC, wire-in smoke alarm with 9V battery backup that can function as a stand alone unit or interconnect with up to 24 Kidde devices (of which 18 can be initiating). The Kidde i12040CA provides continuous protection against smoke and fire hazards, even during power outages.

• Ionization Technology – Sensitive to fast flaming and other fires
• 120V Interconnectable up to 24 devices (18 of which can be initiating - limit of 12 smoke alarms)
• 9V Battery back up (inlcuded)
• Multi-function One Button Design includes: Hush and Test Feature alarm operation.
• Tamper Resist Feature