Product Information: Size: 13*15cm cm. Weight: 317g. Fixed method: place the non-slip mat or fix it with double-sided tape. 3 speed selectors: cold wind / hot wind. It is ideal for defrosting or dehumidifying windows and windshields and can quickly remove car glass fog. Easy to use: place it on the anti-slip mat or secure it with double-sided tape, then connect it to the vehicle's cigarette lighter socket and turn it on. it makes little noise. Power supply: 12 V cigarette lighter Powerful heating power: 151 watts Auxiliary electric heater for your car Ball joint support: for ideal positioning on the dashboard Note: The cigarette lighter power is NOT less than 12V / 12.5A / 151W. Your car will be damaged if your car's output current is less. Note: This is for defogging purposes only, not to help heat your entire vehicle. So please DO NOT use it as a heater or it will let you down, hope your understanding Product Information Product size: about 13.5*11cm Package size: about 13*8*15cm Product gross weight: about 316g Supply voltage: 12V Rated power: 150W Color: red