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  Product Features
Hard wired Ionisation (mains) alarm unit with 9v battery backup.
Can be interconnected with up to 23 other alarms.
Combined Hush and Test Button.
30 day Low Battery Warning Signal
Diameter: 134mm Depth: 34mm

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  Product Description
Hard wired Ionisation (mains) alarm unit with 9v battery backup. A 9V DC Alkaline Long Life Primary Battery backup that has a projected 4 year life and provides a minimum of 72 hours standby and 4 minutes in alarm at any time during this period. NB. A fresh battery will sustain the detector for circa 3 years in AC power failure.




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