Battery powered standalone CO alarm with a 10-year sealed lithium battery for long-lasting reliable carbon monoxide detection. Clear digital display prominently shows the word 'Alarm' when CO is detected, while the quiet test function allows for discreet testing at a lower volume. Features advanced electrochemical sensor, IP44 splash protection, and night-time sensing for reduced LED intensity. Memory function indicates previous alarm activation, while Sleep Easy silences low battery chirps for 9 hours. Tamperproof seal ensures continuous protection without the need for battery replacements. Ultra slim design ideal for homes, caravans, motorhomes, and boats. Supplied with 2 x AA batteries. Standalone 10-Year Sealed Tamperproof Lithium Integrated Battery 85dBA Alarm at 3m Test/Hush Button Ultra-Slim Design Digital Display Screen Night Time Sensing Provides Reduced Heartbeat Intensity Easy Access Front Cover Designed to Use as a Test / Silence Button Standalone 10-Year Sealed Tamperpr...