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