Kidde Heat Detector, Hardwired with Battery Backup & 2 LEDs, Interconnect Capability, Ideal for Garages

Heat detector alerts to temperatures rising above 135⁰ Fahrenheit & sounds an 85-decibel alarm to help protect your family Heat alarm operates on a 120V wired power source with a 9-Volt alkaline battery backup Quick-connect power harness makes installation fast and easy An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire Test-Hush Button makes testing the detector or silencing false alarms easy (false alarms may occur from routine cooking, shower steam, dust or humidity) Interconnection capability: allows you to connect up to 18 Kidde smoke, heat, or CO alarms, with the possibly it interconnect 6 strobe lights or relay modules UL Certified, 5-year limited manufacturer warranty