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 lifeSpecifications:Heat material: PTCVoltage: 220V( no need to Distinguish positive or negative pole)Power: 600WLead material: high temperature resistant wireHole pitch: 104*68mm/4.1*2.7inInstallation hole: 8*4mmSize:125*77*26mm/4.9*3*1in(with ripple length of 80mm)Weight: Approx.201g/7.1ozPackage list:1 x Ceramic Air HeaterNote: with 160 degrees normally closed temperature control protector, the heater can not be dry burning.