62 Series Carbon Monoxide Alarm - 12V - 62-542-Marine - Flush Mount - White Mini Carbon Monoxide Alarm with a compact space saving design that replaces your CO alarms that are over 5 years old! Features: * Space Saving * Compact design for boats * Designed for the harsh marine environment * No False Alarms due to new boat smell, outgassing or non-hazardous levels of hydrocarbon gases encountered while boating * Advanced Technology - Alarm Mute button silences alarm while boat is ventilated * Rapid recovery sensor resets when silenced or reactivates alarm if dangerous levels of CO remain * Reliable - 12 Volt power means no missing or dead batteries to replace * Memory Scan™ - Retains the CO level that activated the alarm. After ventilation, it is impossible to know what the CO level was unless your detector has memory * Micro Current Technology - Saves precious battery power in a boat * 62-541-R-Marine and 62-542-R-Marine include normally closed relay * Use to turn on exhaust fans, remote horns/lights/signals or connect to alarms systems * Listed to UL 2034 Marine Use and CSA 6.19-01