Features: Powered by 12V car battery,12V power adapter and more 12V adapters High air volumn 5100rpm strong wind and reliable safety DC 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 AV-cabinet, fire stove, outdoor BBQ firewood stove, etc. The air duct needs tobe fixed by itself with glue- or double-sided adhesive tape Specifications: Material:Plastic Input: 5.5x2.1mm Output: for DC 12V Fan Size: approx 9.7x9.7x3.3cm/3.82xx3.82x1.3in Speed: 5V/3500RPM 12V/5100RPM Cable Length: approx 26cm/10.2in Air Duct Size: approx:26mm/1.02in 33mm/1.3in 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. Package includes: 1 Set x 9733 Air Blower with Air Duct