Features 【HIGH QUALITY】Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. 【PRACTICAL FUNCTION】1.This product is a electric heater with automatic constant temperature and energy saving. 2.This PTC ceramic air heater has the characteristic of automatic energy saving. 【EASY TO INSTALL】Easy to install and maintain, superior performance. 【APPLICABLE OCCASIONS】widely suitable for air conditioner, electric heater, clothes dryer, humidifier, etc. 【SERVICE 】: If you encounter any problems during use, please let us know. We will contact you quickly. It is our pleasure to help you. Specification: Material: Aluminum Weight: 47g/1.7oz Power: 50W  Voltage: AC / DC 12V Surface Temperature: 200±10℃ Size: 95*31*25mm/3.7*1.2*1inch  Package List: 1 x PTC Ceramic Air Heater Note: Be careful when use it.This is a kind of surface electrified PTC heater. When the heater is working, the aluminum parts are conductive. Package List