Features: 1.Constant Temperature Heating: PTC fan heater uses ceramic constant temperature heating technology to continuously output heat and automatically work at constant temperature. 2.Fast Heating: After PTC cars fan air heater is powered on, PTC quickly converts electric energy into heat energy, and hot air can be felt within 30S. 3.Small Size: PTC heating fan is about the same size as a mouse, and can be placed in a narrow space for use. 4.Nylon Shell: PTC air heater uses PA66 reinforced nylon shell, which is resistant to high temperature, safe and protective, and has good insulation. 5.Long Service Life: PTC heating fan can provide heat source for 10,000 hours continuously, and repeated switching will not affect the service life, so it is durable. Specification: Item Type: PTC Air Heater Material: Reinforced Nylon Shell Heating Material: PTC Ceramic Heating Piece Material: High Temperature Resistant Wire Wire Length:Approx. 20cm / 7.9in Product Size:Approx. 80 x 80 x 54mm / 3.1 x 3.1 x 2.1in Temperature Error: 10 Operating Voltage of Heater: AC/DC 220V Operating Voltage of Fan: DC 220V Power: 150W25% PackageList: 1 xPTCAirHeater Note: Please supply the power according to the voltage used. Using other voltages may cause fire and product damage.