Features Premium Material: This PTC heating element housing is made of high-quality aluminum, which is light in weight, small in size, stable in performance and long in service life. Ceramic Insulation: The circuit constant temperature heater adopts a ceramic heating body, an insulating model, which is safe to use, can dry heat for a long time, and has high reliability. Included Lead Wire: The ceramic heating element comes with a 15cm lead wire, which is high temperature resistant, it can be easily used to heat solids and gases. Wide Range of Applications: This PTC heating element is widely used, suitable for air conditioners, electric heating, automobiles, air curtains, humidifiers, dryers, etc. It is also used for preheating of automobiles and electronic components. Intimate Service: We provide 15-day worry-free return and exchange service for all customers. If you have any questions about our Ceramic heating element, you are welcome to contact us, we will serve you wholeheartedly. 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 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. Package List