Firex Mains Powered Heat Alarm with Back-Up 9V Battery

• Interlink with up to 23 Firex hard-wired alarms
• Alarm memory
• Reduced energy consumption
• Combined Test/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms
• Auto reset after activation
• Tamper-resistant locking device
• Mains operation

Mains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat. Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.