Features:*12/24V Insulated Electric Ceramic Thermostatic PTC Heating Element Air Heater*Used for Air conditioning units / Equipment / General electric appliance / Air curtain machine etc*With insulator on surface, safe and reliable to use*Constant temperature heating with no open flame*With automatic energy-saving function*Can heat the solid and the gasSpecifications:*Optional Rated Voltage: 12V/24V*Power consumption: 50W*Surface temperature: 230±100C*Heating life: Over 3 years*Heat methods: Heat radiation by air flow*Heat material: PTC Thermistor*Dimensions: 95*31mm(Approx.) *Corrugated size: 55*22mm(Approx.) *Color: As Pictures ShowPackage Contents:1*Heating Element Note:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.