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 automatic energy saving. _x000D_ Easy to install and maintain, superior performance. _x000D_ Application: air conditioner, electric heater, clothes dryer, humidifier, etc. _x000D_ _x000D_ Specification:_x000D_ Material: Aluminum_x000D_ Weight: 165g/5.8oz_x000D_ Heating material: PTC thermistor _x000D_ Power: 500W _x000D_ Voltage: 110V (the bare line is connected, regardless of the positive and negative pole, the rated voltage can be) _x000D_ Corrugation Length: 96mm/3.8inch_x000D_ Size: 140*50*26mm/5.5*2*1inch_x000D_ _x000D_ Package List:_x000D_ 1 x PTC Ceramic Air Heater_x000D_ _x000D_ Note:_x000D_ 1.With 150 degrees normally closed temperature control protector._x000D_ 2. Lead color is random.