12V Car Heater Heating Cooling Fan Window Windshield Defogging Defrosting Heater Frost Snow Fog Removal Machine Auto Accessories. Features large blowing area, fast heating, portable design, and safe pure copper wire. Specifications include product color: black+grey, voltage: 12V, product power: 150w, and product size: about 15 * 7cm/5.91 * 2.76in.