Features: brand new and high quality Powered by 12V car battery,12V power adapter and more 12V adapters High air volumn 4000rpm adjustable big wind and reliable safety for DC brushless blower is suitable for projects that requires cooling or ventilation with limited clearance; Plug for play and setting up fire quickly, helping you make barbecue more easily. Widely used in car for seat, AV cabinet, wood stove, outdoor BBQ firewood stove, etc. Package Includes: 1 Set x 9733 Air Blower with Air Duct Specifications: Material: Iron+Metal Input: 5.5x2.1mm Output: for DC 12V Fan Size: approx 9.7x9.7x3.3cm/3.82xx3.82x1.3in Nominal Current: 1.5A Speed: 4000RPM Optional Air Duct Size: approx:27mm(1.06in) note: Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks! Due to manual measurement, please allow error of 0-1cm. Please make sure you don'for t mind before bidding. Only the cooling fan, does not include other accessories in the picture.