Features: Powered by DC12V car battery,12V power adapter and more 12V adapters, with AC110V 220V adjustable adapter High air volumn 4200rpm adjustable big wind and reliable safety Brushless blower suitable for projects that requires cooling or ventilation with limited clearance; Plug-play,and setting up fire quickly, helping you- make barbecue more easily. Widely used for BBQ stove, AVcabinet, wood stove, outdoor firewood stove, etc. Specifications: Adjustable Speed :AC100V-240V Output: for DC12V Fan Size: approx 9.7x9.7x3.3cm/3.82xx3.82x1.3in Nominal Current: 2A Speed: 4200RPM Optional Air Duct Size: approx 33mm(1.3in) Adapter: US/EU Standard 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- do not mind before bidding. Only the cooling fan, does not include other accessories in the picture. Package includes: 1 Set x 9733 Fan