Carbon Monoxide Detector/Controller/Transducer; Voltage Rating 12 to 24 Volt AC, 12 to 32 Volt DC; Operating Temperature 0 to 125 Deg F; Color Dark Gray; Size 4-1/2 Inch x 4 Inch x 2-1/8 Inch; Mounting Wall Mount; Approval UL 61010-1, CAN/CSA C22.2, ETL (Canada and US); Connection Type Plug/Terminal; Fan Relay Rating 240 Volt AC, 5 Amp; Fan Relay Type Pilot Duty, SPDT, Latching/Non-Latching; Fan Delay Setting 0, 1, 3, 5 and 10 Minute; Alarm Relay Rating 120 Volt, 0.5 Amp, 60 Volt Amp; Alarm Relay Actuation Selectable NO Default/NC; Application Parking Garage, Mechanical Room, Restaurant, Battery Charging Station, Breweries, Storage Facilities, Loading Dock, Warehouse, Firehouse and Ambulance Bay, Refrigeration Facilities, Vehicle Repair Facilities, Bus Depot