General description The Kidde 10LLDCO is a sleek and lightweight digital carbon monoxide (CO) alarm featuring a non-replaceable, sealed-in Lithium battery that provides 10 years of continuous protection. This means the battery never needs to be changed throughout the alarm's lifespan. The alarm includes a digital display that clearly shows current carbon monoxide levels and a peak level display that records the highest CO level detected (between 11 - 999 ppm). Technical specifications Type: Carbon Monoxide Battery: Non-replaceable, sealed Lithium battery Battery life: 10 years Peak level display range: 11 - 999 ppm Installation This slim and easy-to-use alarm can be installed on the wall for optimal visibility of the digital display or used free-standing on a table or shelf. It is also portable, making it convenient for travel. Usage The Kidde 10LLDCO features a CO 'Quick-Test' function that allows for temporary desensitization of the alarm for quick testing with approved CO spray.