Features Mainly used in small instruments, small box space environment temperature heating. This PTC ceramic air heater has the characteristic of surface insulation and high safety. This product is an automatic constant temperature and energy saving electric heater. Adopts PTC ceramic heating component and aluminum tube, low thermal resistance, high heat transfer efficiency. Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. Features: This product is an automatic constant temperature and energy saving electric heater. This PTC ceramic air heater has the characteristic of surface insulation and high safety. Mainly used in small instruments, small box space environment temperature heating. Adopts PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. Specification: Material: aluminium. Weight: 127g/4.5oz. Heating material: PTC thermistor Heating mode: heat through air flow. Lead material: high temperature silica gel wire Voltage: 220V (the bare line is connected, regardless of the positive and negative pole, the rated voltage can be) Power: 200 W. Mounting distance dimensions: 55 x 68 mm. Temperature control protection: the radiator contains 70 degree temperature control protection Size: 75.5 x 76.5 x 26 mm/3 x 3 x 1 inches (ripple length 30 mm). Package list: 1 x PTC Ceramic Air Heater Package List