Kidde Hardwire Carbon Monoxide Alarm with Digital Display and Peak Level Memory 5.75 Diameter x 1.8 Depth & Smoke Detector, Hardwired Smoke Alarm with Battery Backup Included, Interconnect, Pack of 6

• Product 1: Test/Reset - Tests CO alarm circuit operation and allows you to immediately silence the alarm. Temperature Range-40˚F (4.4˚C) to 100˚F (37.8˚C) Product 1: Digital Display - Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds Product 1: Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup Product 1: Adjustable Mounting Bracket - Allows for fast installation and perfect alignment Product 2: Ionization sensing technology may detect invisible fire particles, associated with flaming fires, quickly and sound an 85dB alarm Product 2: Hardwired smoke detector with battery backup (included) ensures that you'll be alerted to a fire, even during a power outage Product 2: Large base makes mounting easy, while a front battery pull lets you activate the smoke alarm without removing it from the mounting bracket Product 2: Whole home family protection - place 1 fire alarm on each level of your home & in your bedroom. maximum of 24 Kidde devices can be interconnected