Aico Ei450 RadioLINK Alarm Controller with 10 Year Rechargeable Lithium Battery\n- Battery powered by a sealed in lithium cell.- Designed for use with the RadioLINK enabled fire and carbon monoxide alarms.- Four functions test alarm locate alarm silence alarm and memory.- Connects wirelessly with all other Aico wireless interconnection products.- LEDs for a visual display of Fire or Carbon Monoxide alarm activation.\nThe Aico Ei450 RadioLINK Alarm Controller is battery powered, Alarm Controller which has 4 functions. Firstly, it allows the user to Test all the alarms on the system from a single location, it can Identify which alarm within the system has been triggered, and it also allows the user to Hush an alarm if they are certain it is faulty. It silences them for ten minutes. As well as this, it has Memory allowing the controller to identify a previous alarm state. It is designed for use with RadioLINK enabled Fire and Carbon Monoxide alarms. It shows whether the source of the alarm is a fire or carbon monoxide by lighting up the relevant indicator.\nFeatures:\n- Supply Voltage: 3V Lithium Battery Powered for life.- 10-year life.- Battery Life: >10 years (normal operating conditions).- Completely wire free installation.- Communication: 868.499Mhz RadioLINK protocol.- Fixing: Wall mounting fixtures supplied.- Operating Temperature: 0C to 40C.- Humidity Range: 15% to 95% relative humidity.- Visual RF transmission indicator.- Indicates if source of alarm is a fire or co alarm.- Unique house coding feature.- Memory: Identifies previously triggered alarms.- Diagnostics: Walk round test / Extended two minute test.- Plastic Material: UL94HB.- Weight: 110g (product only), 185g (boxed).- Approvals: CE certified / (RF) EN 300 220-2 / (EMC) EN 301 489-1 & EN 301 489-3 (EMC).- Button functions: Test Test alarms, Locate Identify triggered alarms, Silence Silence alarms.- Indicators: Fire Illuminates when fire detected, CO Illuminates when CO detected, EOL illuminates to indicate End of Life.\nDimensions: (L)153mm x (W)153mm x (D)40mm.