Ensure the ultimate safety of your home and loved ones with the Firechief FSM10W Smoke Alarm for Home. No more frequent battery replacements—enjoy a decade of unwavering security. This cutting-edge device is a necessity in homes, offering robust protection with its Mains connection and 10-year sealed battery backup. Designed to meet rigorous standards, this model has a BSI Kitemark and promises reliability and efficiency you can trust. You can seamlessly integrate this alarm with other Firechief CO, heat, and smoke alarms and the Locate Remote for a complete fire safety system. Whether you’re using main-powered solutions or prefer the flexibility of battery-operated models our wireless technology ensures comprehensive coverage and peace of mind. No more false alarms with Firechief smoke alarms - they have innovative automatic dust compensation systems to reduce those pesky false alarms. Features: Optical smoke sensing technology and automatic dust compensation - the smart smo