The FireAngel ST-622 features Thermoptek optical smoke alarm that use thermally enhanced smoke sensor. Helping to reduce false alarms caused from cooking fumes. The ST-622 is designed to last the lifetime of the alarm, fitted with a 10-year sealed long life lithium battery.
The Additional features include an easy-to-use test / hush button, as well as “sleep-easy” function, allowing low battery warning chirps to be silenced for 8 hours. The FireAngel ST-622 Twin Pack Includes: 2x FireAngel Thermoptek Optical Smoke Alarms and supplied with fittings: 2 x screws and 2 x raw plugs per alarm.
