Features:_x000D_ _x000D_ Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. _x000D_ This product is a electric heater with automatic constant temperature and energy saving. _x000D_ This PTC ceramic air heater has the characteristic of surface insulation and high security. _x000D_ With mounting holes, easy to install. _x000D_ Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. _x000D_ _x000D_ Specification:_x000D_ Material: Aluminum_x000D_ Weight: 134g/4.7oz_x000D_ Heating material: PTC thermistor _x000D_ Heating mode: Heat through the flow of air. _x000D_ Lead material: silica gel high temperature wire _x000D_ Voltage: 12V (the bare line is connected, regardless of the positive and negative pole, the rated voltage can be) _x000D_ Power: 150W _x000D_ Mounting distance dimensions: 55*68 mm _x000D_ Size: 76*76*26mm/3*3*1inch (corrugation length 30mm) _x000D_ _x000D_ Package List:_x000D_ 1 x PTC Ceramic Air Heater 1Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. 2This product is a electric heater with automatic constant temperature and energy saving. 3This PTC ceramic air heater has the characteristic of surface insulation and high security. 4With mounting holes, easy to install. 5Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc.