1The housing is made of aluminum, eco-friendly, sturdy and durable in use. 2Ceramic insulation, safe to use and can be dry heated for a long time, high reliability. 3Comes with a 15cm lead wire, which is high temperature resistant. It can be easily used to heat solids and gases. 4Simple structure, easy to install and long service life. 5Widely used in Air conditioning, electric heating, automobiles, air curtains, humidifiers, dryers, etc. Also used for car and electronic components preheating.