1、PTC Heating Plate: PTC quickly converts electrical energy into heat energy after energizing, and conducts to surface of aluminum shell within 10S, can be dried for a long time. 2、Automatic Constant Temperature: Using ceramic constant temperature heating technology, continuous output of heat, achieve automatic constant temperature work. 3、Good Insulation: The chip is wrapped with polyimide film inside, which is insulated and temperature resistant, ensures long term stable heating performance. 4、Long Service Life: The heating element can work 7x24 hours, and continuously provides heat source with a life span of more than 20,000 hours. 5、Wide Application: The heating plate has no open flame, no redness, no harmful gases, and is suitable for use in humid environments, can be used in various occasion. 5 x PTC Heating Element Item Type: PTC Heating ElementMaterial: Aluminum alloy, PTC, polyimide filmShell Material: Aluminum shellHeating Material: PTC ceramic heating plateLead Material: High temperature resistant wireSize: Approx. 35x15x5mm/ 1.4x 0.6x 0.2inUse Voltage: 220VSurface Temperature: 150℃Lead Length: Approx. 15cm/ 5.9inTemperature Error: ±10℃Dry Burning Power: 8W