Fireangel ST 622Q 10 Year Thermally Enhanced Optical Smoke Alarm, Multi Colour

The Ground-Breaking thermoptek technology in the ST-622Q provides responsiveness to all fire types in one alarm. Thermoptek sensing technology - detects slow smouldering fires + rapid rise in temperature. A fast response to all fire types. Battery powered smoke alarm - 10 year Panasonic battery lifespan (battery Included, never needs replacing) Toast proof - reduces nuisance alarms + Smart silence button Test & Smart silence button - allows the alarm to be silenced for up to 10minutes in the event of a known false alarm. Sleep easy function - low battery/ end of life chirp can be silenced for 8 hours so you sleep easy at night. Positioning - bedroom, living room, landing, hallways, dining room, Weight: 0.3527396192 pounds, Manufacturer: FireAngel