Features Ceramic insulation, safe to use and can be dry heated for a long time, high reliability. The housing is made of aluminum, environmentally friendly, sturdy and durable. Widely used in air conditioning, electric heating, automobiles, air curtains, humidifiers, dryers, etc. Also used for preheating automotive and electronic components. Simple structure, easy to install and long service life. Comes with 15cm conductive wire, high temperature resistant. It can be easily used to heat solids and gases. Specification: Material: aluminium. Heating material: PTC thermistors Heating mode: Heating by air flow or direct contact with an object Lead material: high temperature resistant rubber wire Wired connection mode: connect the rated voltage, regardless of the positive and negative poles Lead wire length: approx. 15 cm/5.9 inches. Size: approx. 150 x 28.5 mm/5.9 x 1.1 inches Weight: approx. 72g/2.5 ounces Package list: 1 x PTC heating plate. Note: The power of PTC hot plate is not fixed. In a certain range, the better the heat dissipation, the greater the power. Low-voltage products should not only comply with their voltage, but also need to pay attention to the current. If the power supply current cannot respond to the impact current of the product, the product will warm up slowly, low temperature or even short circuit. Can not be directly immersed in water or liquid. Package List