Hispec Fast Fix PE/FF10 Mains Interlinked Optical Smoke Alarm

230V mains-powered smoke alarm with tamperproof, rechargeable 10-year lithium battery back-up. Includes high quality optical sensor for optimal smoke detection, with fewer false alarms. Can be interlinked with up to a total of 20 Hispec mains-powered fire safety devices, including smoke, heat and CO alarms (meaning that when one alarm sounds all interlinked alarms will also activate). Suitable for use in hallways, landings, living rooms, dining rooms and bedrooms. Supplied with fixings.