SAFE TECH Wireless Interconnected Smoke Alarm, Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm LED Indicator Low and Fault Warning for House Bedroom, 1 Pack

【High Accuracy & Reliable Detection】: Certified to EN 14604:2005/AC2008 (Grade F1), this interlinked smoke alarm provides fast and accurate smoke detection. Fully compliant with fire regulations for Scotland, Northern Ireland and England. 【Advanced Mesh Interlink Technology】: Built-in mesh RF network connects up to 50 alarms. When one alarm detects smoke, all connected units activate instantly for full-property protection. 【Long-Life Sealed Battery】: Features a sealed long-life battery with up to 10 years of continuous protection, reducing maintenance and ensuring reliable operation over time. 【10 Years Fast Response Sensor】: High-sensitivity optical sensor detects smoke quickly, providing early warning to help protect your home for 10 years. Suitable for Landing/hallway, bedrooms, living rooms and loft. 【Fully Compatible Interlinked System】: Works seamlessly with SAFE-TECH’s battery or 230v mains powered smoke, Heat and multi sensor alarms, allowing you to create a complete home safety system.