Features Compact Design: PTC fan heater is about the size of a mouse and can be placed in small spaces for use. The working voltage of the heater is 12V and the power is 50W ±25%. High Temperature Resistant: Mini PTC fan heater uses PA66 high temperature resistant reinforced nylon shell, providing safety protection, insulation, and heat resistance. Constant Temperature: PTC ceramic air heater uses ceramic thermostatic heating technology, delivering continuous heat output with automatic temperature regulation. Fast and Efficient: The PTC air heater quickly converts electrical energy into heat after being powered on, producing warm air within 30 seconds, fast and efficient. Durable: Mini PTC fan air heater can be repeatedly switched on and off to continuously provide heat and can operate continuously for over 10,000 hours. Specification Item Type: PTC Fan Heater Material: Nylon, PTC Shell Material: Reinforced Nylon Shell Heating Material: PTC Ceramic Heaters Lead Wire Material: High Temperature Resistant Wire Size: Approx. 60 x 60 x 42mm / 2.4 x 2.4 x 1.7in Lead Wire Length: Approx. 20cm / 7.9in Temperature Error: ±10°C Heater Working Voltage: 12V Fan Working Voltage: DC 12V Power: 50W ±25% Package List 1 x PTC Fan Heater Note Please use the correct voltage for power supply; using incorrect voltage may cause fire or product damage. Please allow slight measurement deviations due to manual measurement.