Features 【Energy Saving】: This ceramic heater is an electric heater that conducts heat through the flowing air, automatically maintains the temperature and automatically saves energy. 【Safety】: This PTC ceramic air heater has surface insulation and high safety, no open flame, high heat conversion efficiency. 【Easy to Install】The heater has mounting holes for easy wiring and easy installation. Connection wire material: high temperature resistant wire; Heater life: more than 3 years. 【High Quality Material】The air heater uses PTC ceramic heating element and aluminum tube, which has low thermal resistance and high heat transfer efficiency. 【Application】: Air conditioning, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. Features: Uses PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. This product is an electric heater with automatic constant temperature and energy saving. This PTC ceramic air heater features surface insulation and high safety. With mounting holes, easy to install. Application: air conditioning, electric heating, instrument, general appliance, air curtain machine, humidifier, etc. Specification: Material: aluminum Weight: 77g/2.7oz Heating material: PTC thermistor Heating mode: heat by airflow.  material: silica gel high temperature wire Voltage: 12 V (the bare line is connected, regardless of the plus and minus pole, the nominal voltage can be) Power: 100W Mounting distance dimensions: 101 x 31 mm Size: 115 * 35 * 26mm/4.5 * 1.4 * 1 inch (wavelength 30mm) Package list: 1 x PTC Ceramic Air Heater Package List