Smoke detector built in sounder 12 units
Context Plus Battery operated optical smoke detector with built-in sounder, complete with 9V alkaline battery with facility to hardwire interconnect u
Context Plus 200-250VAC Mains operated heat detector with built-in sounder, BSI kitemarked, complete with 9 volts alkaline battery back up and with fa
The Heat Detector hardware interconnect is part of the Context Plus Ei140e Series Mains Powered Smoke & Heat Alarms With Rechargeable Lithium Battery Back-Up range from Context Plus, supplied and supported by SPS. Context Plus 200-250VAC Mains operated heat detector with built-in sounder, BSI kitemarked, complete with 9 volts alkaline battery back up and with facility to hardwire interconnect up to 12 units.