Features Features: PTC ceramic air heater has the characteristics of surface insulation and high safety. Moisture resistance, temperature resistance, constant temperature heating, using PTC ceramic heating element and aluminum shell, low thermal resistance, high heat transfer efficiency. Dimensions: 280 x 75mm / 11 x 3in, the mounting hole size is about 8 x 4mm / 0.3 x 0.2in (waist hole) How it works: After the electricity is turned on, the electrical energy is converted into heat energy within 0.1s of Conduct heat through air, and it is conducted to the surface of the aluminum shell within 10s. Safe and reliable: no open flame, no redness, no toxic and harmful gases, some products have over-temperature protection, and the entire surface is electrically insulated. Main uses: heaters, humidifiers, automobiles, air conditioners, heaters, purifiers, new fans, hair dryers and other common appliances. Specification: Item Type: PTC Ceramic Air Heater Material: PTC ceramic heating parts and aluminum Model: 220V 2000W 236A3 Rated Power: 2000W Rated Voltage: AC220V (connect the bare wire, regardless of the positive and negative poles, just connect to the rated voltage) Lead: Silicone high temperature wire Size: Approx. 280 x 75mm / 11 x 3in Mounting Hole: Approx. 8 x 4mm / 0.3 x 0.2in (waist hole) Heating Material: PTC thermistor Heating Method: Conduct heat through air Heating Medium: Ceramic PTC Main Uses: Heaters/humidifiers/cars/air conditioners/heaters/purifiers/new fans/pet nests/dryers/yuba/hair dryers/car heating/subway and other common electrical appliances Package List:1 x PTC Ceramic Air Heater Package List 1 x PTC Ceramic Air Heater