Product Features Easy operation, just plug it into the DC 12V car cigarette lighter socket and turn on the switch, then it works. Supports fan & heater settings, natural wind and warm air. Compact size, portable and convenient to install. Low consumption, energy saving and overheat protection. Specifications: Power: 150W Voltage: 12V Current: 15A Wire length: 136cm / 4.4ft Item size: approx. 15 * 14.5 * 6.5cm / 5.9 * 5.7 * 2.5in Item weight: 378g / 13.3oz Prompt Tips: 1. Small or bad quality storage battery may cause the wind not warm enough. 2. Car cigarette has the self-protection function. It decreases the large electric current automatically. Our this product is 200W. So, when this situation happens. You could increase the A number to 20-30A in the plug protective tube. 3. Some storage battery is 12V, but the real current is 5-10A only. It won’t make this fan hot. Because this Heater Fan requests at least 510-15A current. 4. Any problems relating to above tips are not our product’s quality problem. If you can improve your car storage battery or car cigarette protective tube. Our Heater Fan will be working great. 5. Every item will be tested before shipment. Please feel rest of our quality. Package includes 1 x DC 12V Vehicle Car Auto Heater Warmer Heating Fan Windshield Demister Defroster