Wireless interlinked smoke alarm provides warning of fire via a network of alarms. One alarm will work singularly, additional alarms can be wirelessly connected, when one alarm sounds they all sound. Interlinks with the FireAngel Connect gateway, providing real-time notications via the FireAngel Connect app. Thermoptek technology detects all types of fire and alerts with a loud, clear alarm. Powered by a 10-year sealed for life Panasonic battery. Ideal for use in hallways, landings, bedrooms, living rooms and dining rooms. Interlinked via Wireless 10-Year Sealed Tamperproof Lithium Integrated Battery 85dBA Alarm at 3m Test/Hush Button Sends Real-Time Notifications Locate Feature Thermally Enhanced Optical Sensor Backwards Compatible with Wi-Safe2 Devices Sleek & Polished Design Interlinked via Wireless 10-Year Sealed Tamperproof Lithium Integrated Battery 85dBA Alarm at 3m Test/Hush Button Sends Real-Time Notifications Locate Feature Thermally Enhanced Optical Sensor Backwards Comp...