Features No open flame, no redness, no toxic and harmful odor, and can heat solids and gases. Use ceramic constant temperature heating technology to continuously output heat and work at constant temperature automatically. After being energized, the electrical energy is converted into heat within 0.1S, and it is conducted to the surface of the aluminum shell within 10S. Continuously provide heat source with a life span of more than 20,000 hours. The product contains over‑temperature protection and the overall surface is electrically insulated. Specification: Condition:100% Brand New Item Type: PTC Air HeaterMaterial: Aluminum, Ceramic Model: 76A2 Voltage: AC220V Power: 450W Heating Method: Conduct heat through flowing air Application Scope: Air conditioner/electric heater/automobile/instrument equipment/general electric appliance/fan/humidifier Package List:1 x PTC Air Heater Package List 1 x PTC Air Heater