General description The Kidde KID10LLDCO 10 Year Sealed Battery Digital Carbon Monoxide Alarm is a sleek and lightweight device designed to provide continuous protection against carbon monoxide (CO) for 10 years without the need for battery replacement. It features a digital display that shows current CO levels and a peak level display that records the highest CO concentration detected (between 11 - 999 ppm). The alarm utilizes a unique, water-based Kidde CO Electrochemical Sensor for accurate detection. Technical specifications Battery: Non-replaceable, sealed-in Lithium battery Battery life: 10 years Peak level display range: 11 - 999 ppm LED indicators: Alarm, operate, and fault Installation Can be installed on the wall for easy visibility of the digital display Can also be used free-standing on a table or shelf Usage Features a CO 'Quick-Test' function for temporary desensitization during testing with approved CO spray Includes a test/reset button for regular function checks