Hi-Spec HSA/BH/RF10-PRO wireless interlink heat alarm, mains powered with 10 year sealed lithium battery backup. Fixed temperature 80°C heat sensor ideal for kitchens, garages, lofts and boiler rooms where smoke alarms may false-trigger. RF wireless interlink connects up to 20 Hispec alarms across a property (up to 50 m range) without interconnect cabling. Features include test and hush buttons, low battery warning, 85 dB sounder, twist-and-click mounting bracket and insect protection. Kitemarked to KM 672401 and approved to BS EN 5446-2:2003, UKCA and CE certified. Manufacturer part number HSA/BH/RF10-PRO. Fixed temperature 80°C heat detection designed for kitchens and garages, compact 82 mm diameter design for discreet installation. RF wireless interlink connects up to 20 Hispec alarms across a property, with an effective range up to 50 m, eliminating interconnect cabling. Sealed 10 year lithium battery included for continuous backup—no battery replacements during service life; backed by a 5 year manufacturer’s guarantee. Heat sensor suited to kitchens and garages, less prone to false alarms from cooking or exhaust fumes, meeting interlinked alarm requirements. Loud 85 dB sounder at 3 metres, insect-proof design, plus test and hush functions for quick silencing of nuisance alerts.