This PTC ceramic air heater has many advantages, such as simple structure, constant temperature, easy to install, safe to use and can be applied to air conditioner, electric heater, instrument equipment etc._x000D_ _x000D_ Features:_x000D_ 1. Adopts of PTC ceramic heating element and aluminum tube, high heat transfer efficiency._x000D_ 2. Surface insulation, automatic constant temperature and energy saving, safe to use._x000D_ 3. Comes with a lead wire, which is high temperature resistant. It can be easily used to heat solids and gases._x000D_ 4. Simple structure with mounting hole, easy to install and long service life over 3 years._x000D_ 5. Widely used in water boiler, air conditioner, electric heater, instrument equipment. Also used for car and electronic components preheating._x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Housing Material: Aluminum + Plastic_x000D_ Heating Material: PTC Thermistor_x000D_ Heating Mode: heat through the flow of air_x000D_ Rated Power: 250W_x000D_ Rated Voltage: 220V (the bare line is connected, regardless of the positive and negative pole)_x000D_ Lead Material: High Temperature Resistance Wire_x000D_ Heating Life: over 3 years_x000D_ Size: Approx. 140*32*26 mm / 5.5*1.3*1.0 inch_x000D_ Ripple Length: Approx. 96mm / 3.8 inch_x000D_ Mounting Hole Distance: Approx. 120*24 mm / 4.7*0.9 inch_x000D_ Mounting Hole Size: Approx. 10*4 mm / 0.39*0.15 inch_x000D_ Weight: Approx. 87g / 3.1 oz_x000D_ _x000D_ Package list:_x000D_ 1 * PTC Ceramic Air Heater_x000D_ _x000D_ Note:_x000D_ 1. The color of lead wire is random._x000D_ 2. With 150 degrees normally closed temperature control protector.