Product Description1. Rated Voltage:110V(the power line does not distinguish between positive and negative)2. Rated Power:200W (R=24¿,3.3m/s wind flow velocity)3. Size: 120*50*26mm4.Remarks:with 70 degrees normally closed thermostat protectorProduct NamePTC air heaterHeat materialPTC ThermistorHeat methodsHeat radiation by air flowlead wireSilicone high temperature linethe length of lead wires200mmthe length of bare wires10mmUsedAir conditioning units / Electric Heater /Car / Equipment/ General electric appliance/Air curtain machine/Humidifier/incubation