230V mains-powered heat alarm with 9V battery back-up. Features a fixed temperature thermistor sensor which activates at 60°C for optimised fire 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 kitchens, garages and lofts. Supplied with fixings. Interlinked when Hardwired 220-240V AC/DC Mains-Powered with Battery Backup 9V Battery Supplied 85dB Alarm at 3m Test/Hush Button Interlinked when Hardwired (20 Alarms can be Interlinked in 150m) Fast Fix Base Supplied for Quick & Easy Wiring Silence Nuisance Alarms Low Battery Warning Interlinked when Hardwired 220-240V AC/DC Mains-Powered with Battery Backup 9V Battery Supplied 85dB Alarm at 3m Test/Hush Button Interlinked when Hardwired (20 Alarms can be Interlinked in 150m) Fast Fix Base Supplied for Quick & Easy Wiring Silence Nuis...