FireAngel Mains Smoke Alarm SW1-R All types 9V Backup Power Smoke and Heat Alarm

It Detects Slow-burning Fires, Making It Ideal For Living Spaces. For Full Coverage, Consider Fireangel Thermoptek Alarms. Linked Smoke Alarms: The Sw1-r Functions As A Standalone Unit Or Can Be Wired With Up To 12 Other Mains Powered Smoke (Sw1), Heat (Hw1), Or Carbon Monoxide (Cw1) Alarms.

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