Kidde Carbon Monoxide Alarm with Digital Display and 10 Year Sealed-in Lithium battery

Kidde Carbon Monoxide Alarm with digital display is Sleek, lightweight CO alarm with a non-replaceable, sealed-in Lithium battery for ten years of continuous protection and meaning the user never needs to change the battery for the full duration of the al · · · Sealed-in lithium batteries will last full 10-year alarm life without ever needing to be replaced · · Peak level display allows the highest CO level recorded between 11-999ppm to be displayed · · Digital display clearly shows levels of carbon monoxide · · Unique water-based Kidde CO electrochemical sensor · · 3 LEDs alarm, operate and fault