Fireangel ST-622 Smoke Alarm 10 Year Battery Thermoptek Multi-sensor

The ST-622T Multi-Sensor battery powered smoke alarm offers ultimate protection against all types of fires. Thermoptek Multi-Sensor technology as used by over 90% of the UK Fire and Rescue Services 10 year sealed for life lithium battery Faster reaction to all types of fire Large central button - Test / Smart Silence Slimline and aesthetically pleasing Easy to Install with automatic battery engagement on base plate Smart Silence - allows the alarm to be silenced for up to 10 minutes in the event of a known false alarm. During these 10 minutes if additional smoke is detected the alarm will sound Sleep Easy - allows a low battery chirp to be silenced for 8 hours. This function can be used up to 10 times