BG SDMOA 230V AC Mains Powered Optical Smoke Alarm Product Description The BG mains powered optical smoke alarm is ideal for detecting smoke from smouldering fires whilst minimising false alarms. This alarm can be interconnected with the wider range of BG interconnected alarms for complete coverage Features Hard-wired heat alarm wires directly into your home electric system Constant monitoring of the air for the presence of smoke Interconnecting: connect up to 24 heat and smoke alarms, or up to 12 alarms when including a CO alarm Dust cover (included) prevents contamination of the device during installation 9V battery back up ensures the alarm will operate if mains power is lost Hush function allows the alarm to be temporarily silenced Test function, fault and low battery warnings to assist with alarm maintenance Supplied with base for straight forward installation Alarm volume 85dB(A) at 3m Class 2 alarm Certified to BS EN 14604:2005/AC:2001, BSI Kitemark number KM 762034 UKCA and CE certified 10-year product lifetime Data Sheet: Click Here for Data Sheet Fire Safety Alarms Brochure: Click Here for Fire Safety Alarms Brochure