UltraFire battery powered optical smoke alarms can be radio-interlinked with up to 50 other UltraFire units, to create a wireless alarm system within your home. Powered by two 1.5V alkaline AA batteries, these alarms have a wireless range of up to 100m in open air and 35m indoors.
- Link Upto 50 devices
- Supplied with 2 x AA Batteries
- RF range of 35m Indoors and 100m open air
- Secure housecoding to prevent interference
- Smoke Alarm: certified to BS EN 14604: 2005
- Test/Hush Button