Hardwire smoke alarm units with battery back-up and front loading door for easy change of battery.

• Will interconnect with other Kidde alarms
• 9 V battery back up for continuous protection in case of a power failure
• Front loading battery door allows you to change the battery without removing the alarm from ceiling
• Hush Button quickly silences nuisance alarm, useful for silencing false alarms caused by cooking, steam
• Ionization technology is sensitive to fast flaming fires and other fires
• Test Button to test circuitry and verifies alarm operation