Feature:1. SAFE AND STABLE: PTC air heater working voltage is AC DC 220V, power is 100W 25%. PA66 reinforced nylon shell, safety protection, insulation and temperature resistance.2. AUTOMATIC CONSTANT TEMP: This PTC fan heater uses ceramic thermostatic heating technology to continuously output heat and automatically work at a constant temperature.3. 30S FAST HEATING: PTC ceramic air heater quickly converts electrical energy into heat after power on, so you can feel the hot air within 30S, reducing the waiting time.4. COMPACT DESIGN: Mini PTC air heater, the volume is about equivalent to a mouse, can be placed in a small space to use. Can be widely used in cars, trucks, vehicles, etc.5. LONG SERVICE LIFE: Small fan heater is very durable, repeated switching does not affect the service life, continuous provision of heat source can work continuously for more than 10000 hours.Specification:Item Type: PTC Air HeaterShell Material: Reinforced Nylon ShellHeating Material: PTC Ceramic Heating SheetWire Material: High Temperature Resistant WireProduct Size: Approx. 80 x 80 x 62mm / 3.15 x 3.15 x 2.44inWire Length: Approx. 20cm/7.9inTemperature Error: 10Heater Working Voltage: AC DC 220VFan Working Voltage: DC 220VPower: 100W25%.Package List:1 xPTC Air HeaterNote:1. Please follow the use of voltage for power supply, the use of other voltage may cause fire and product damage.2. Manual measurement, please allow some errors.