Features: Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiencyThis productis a electric heater with automatic constant temperature and energy savingThis PTC ceramic air heater has the characteristic of high security, and surface insulation.With mounting hole, easy installationThe lead material adopts high temperature resistance wire, safe for useApplication: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifierMade 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