Powered by 10-year life sealed-in lithium cell. Features AudioLINK data extraction technology. Simply download the AudioLINK App to a compatible tablet or smartphone to download a simple and easy to read report. This report contains data such as alarm activations, carbon monoxide levels reached, background levels of carbon monoxide and battery life. Also enabled with RadioLINK+ technology meaning that all the alarms can be linked together via radio frequency. Once installed, the alarm will need to be interconnected or 'House Code' the alarm into the system. Alarm triggers at 50ppm within 60-90mins, 100ppm within 10-40mins and 300ppm within 3mins. Interlinked via Wireless 10-Year Sealed Tamperproof Lithium Integrated Battery 85dBA Alarm at 3m Test/Hush Button Without Power Indicator RadioLINK+ for Interconnection AudioLINK Data Extraction Technology Interlinked via Wireless 10-Year Sealed Tamperproof Lithium Integrated Battery 85dBA Alarm at 3m Test/Hush Button Without Power Indicato...