1、Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. 2、This product is a electric heater with automatic constant temperature. 3、This PTC ceramic air heater has the characteristic of automatic energy saving. 4、Easy to install and maintain, superior performance. 5、Application: air conditioner, electric heater, clothes dryer, humidifier, etc. Features: Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. This product is a electric heater with automatic constant temperature. This PTC ceramic air heater has the characteristic of automatic energy saving. Easy to install and maintain, superior performance. Application: air conditioner, electric heater, clothes dryer, humidifier, etc. Specification: Material: Aluminum Weight: 46g/1.6oz Voltage: AC/DC 220V Power: 100W Surface temperature: 200±10 ℃ Size: 95*31*26mm/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.