Hoffman-Touch Safe Heater H201TS 20W, 3-7/8x1-1/2x3, BlackProtect electronic, mechanical equipment from low temperatures, condensation, and corrosion with this heater, which will maintain stable enclosure temperatures by using natural convection resulting in current circulation of warm air.Features: Heating element PTC resistor - temperature limiting Double Insulated Protection Mounting clip for 35mm DIN rail, EN 60 715 Vertical mount Product Specifications BRANDHoffman® COLOR FINISHGray WIDTH INCHES3 DEPTH INCHES1-1/2 HEIGHT INCHES3-29/32 MANUFACTURERS PART NUMBERDAH201TS CONSTRUCTIONSteel NOMINAL CURRENT (AMPS)4.5 POWER CONSUMPTION (WATTS)20 VOLTAGEAC/DC 110/120 AMPS4.5 WEIGHT (LB.)0.38125 WATTS20