Ensure your home meets the latest Scottish and English fire safety regulations with the Wisualarm Interlinked Alarm Bundle. This complete kit includes two optically enhanced smoke alarms and one thermistor heat alarm, all pre-linked for immediate wireless communication right out of the box. When one alarm detects fire or dangerous heat levels, all interconnected units will sound simultaneously, providing a whole-home early warning. Powered by a built-in 10-year lithium battery, these alarms are maintenance-free for a decade. Built from premium fire-retardant ABS and PC materials, these alarms offer reliable protection. The sleek, white design houses high-precision sensors and is easily installed using the included 3M adhesive strips or screws. The system is expandable, supporting up to 24 interconnected units for larger properties. The heat alarm is perfect for kitchens and garages to prevent false alarms from cooking fumes. Test the alarms monthly and vacuum the vents periodically. This fully compliant system is your ultimate solution for peace of mind, designed for a full 10-year service life.