Kidde Heat Detector, Hardwired with Battery Backup & 2 LEDs, Interconnectable & Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door, Test-Silence Button, White

• Product 1: Heat detector alerts to temperatures rising above 135⁰ Fahrenheit & sounds an 85-decibel alarm to help protect your family Product 1: Protects during a power failure - heat alarm operates on a 120V wired power source with 9V battery backup Product 1: Quick-connect power harness makes installation fast and easy Product 1: Test Button lets you check that the heat sensor’s electronic circuitry, horn, and battery are working Product 2: Ionization sensing technology - hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire Product 2: Still works during power failures - smoke alarm with battery backup operates on a 120V power source with 9V battery included Product 2: Easy to install & front-load battery door makes for quick battery replacements Product 2: Test-Hush Button - it’s simple to test or hush false alarms by pressing the button right on the face of the device