Features 300W 220V AC DC Electric PTC Heater High Power PTC Heating Element Insulated Type PTC Ceramic Air Heater for Air Conditioner Humidifier Features: High power PTC heating element adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency This product is a electric heater with automatic constant temperature and energy saving This PTC ceramic air heater has the characteristic of high security, and surface insulation. With mounting hole, easy installation The lead material adopts high temperature resistance wire, safe for use Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier Made of high quality material, with long serving life Specifications: Heat material: PTC Voltage: 220V Power: 300W Heating method: conduct heat through flowing air Size: 110*62*26mm/4.3*2.4*1in(with ripple length of 66mm) Weight: Approx.126g/4.4oz Package list: 1 x Ceramic Air Heater Note: with 160 degrees normally closed temperature control protector, the heater can not be dry burning Package List