Feature:1. [Safe And Insulated] PTC heating element uses polyimide film wrapped chip inside, insulated and temperature resistant, safer to use, and can be dry burning for a long time.2. [Stable And Harmless] PTC heating plate uses without open flame, no redness, no toxic and harmful gas, and can be used in a humid environment, with a wider range of use.3. [Constant Temperature] Thermostat PTC heater plate using ceramic heating technology, continuous heat output, automatic constant temperature work.4. [Efficient] PTC heating element plate quickly converted electrical energy into heat energy after energized, conducted to the surface of the aluminum shell within 10S.5. [Long Service Life] This constant temperature heating element can provide 7 x 24 hours of uninterrupted work, continuous heat supply for more than 20,000 hours.Specification:Item Type: PTC Heating ElementMaterial: Aluminum Alloy, PTC, Polyimide FilmShell Material: Aluminum ShellHeating Material: PTC Ceramic Heater Wire Material: High Temperature Resistant WireProduct Size: Approx. 25 x 21 x 5mm / 0.98 x 0.83 x 0.2inWire Length: Approx. 15cm/5.9inSurface Temperature: 110Temperature Error: 10.Package List:5 xPTC Heating ElementNote:Manual measurement, please allow some errors.