SAFE TECH Smoke Alarm, Wireless Interconnected Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm LED Indicator Low and Fault Warning for House Bedroom, 3 Packs

【High Accuracy & Reliable Detection】:Certified to EN 14604:2005/AC2008 (Grade F1), this interlinked smoke alarm provides fast and accurate smoke detection, fully complying with the latest UK fire and building regulations. 【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. 【Fully Compatible Interlinked System】:Works with SAFE-TECH’s battery and 230v mains powered radio interlinked smoke, heat, CO alarms and multi sensor alarms, allowing a complete and scalable fire safety system.