Features: The housing is made of aluminum, eco-friendly, sturdy and durable in use. Ceramic insulation, safe to use and can be dry heated for a long time, high reliability. Comes with a 15cm lead wire, which is high temperature resistant. It can be easily used to heat solids and gases. Simple structure, easy to install and long service life. Widely used in Air conditioning, electric heating, automobiles, air curtains, humidifiers, dryers, etc. Also used for car and electronic components preheating. Specification: Material: Aluminum Heating Material: PTC Thermistors Heating Mode: Heat through the flow of air or direct contact with an object Lead Material: High temperature resistance rubber wire Wire connection mode: Connect rated voltage, regardless of positive and negative poles Leading Wire Length: Approx. 15cm / 5.9 inch Size: Approx. 150*28.5mm / 5.9*1.1in Weight: Approx. 72g / 2.5 oz Type:( Optional ) Voltage ( V ) Temperature (℃) 220 80 220 120 220 220 12 70 12 120 12 220 24 70 24 120 24 220 36 220 48 220 110 220 Package list: 1 * PTC Heating Plate Note: The power of PTC heating plate is not fixed. In a certain range, the better the heat dissipation, the greater the power. Low voltage products not only need to meet their voltage, but also need to pay attention to the current. If the power supply current can not meet the impact current of the product, the product will be slowly warming up, low temperature, or even short circuit. Cannot be directly immersed in water or liquid.