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.