TAMREX optical smoke alarm with hush button and 5-year battery

This reliable and effective smoke alarm (model N8741-S1) signals the presence of smoke in a room with a loud 85 dB alarm. The test button checks that the device is working, while a short intermittent beep signals a low battery. A hush button allows the alarm to be silenced for 5 - 10 minutes without removing it from the ceiling while the cause is investigated. Includes ceiling mounting bracket, screws, wall plugs and battery. Three-year warranty (including the battery). Expected battery life: 5 years. Complies with EN 14604.