Features: 97x33mm blower is suitable for projects that requires cooling or ventilation with limited clearance; widely used in cooking, Smelting Metal,wood stove, outdoor bbq and more. By 3v to 12v variable speed controller enables setting the fan’s speed to airflow levels for various applications and noise environments. Electric Blower Starter for Charcoal,air blower Powered by 12V or 100-240V,portable outdoor or indoor use,2.6cm air duct,113cm power cable. The US plug power adapter input 100V to 240V AC; enables the fan to be powered through an AC outlet; Long power adapter enough meet your demands. brand new and high quality. Specifications: Input: AC 100-240V output Voltage:3V-12V 2A Speed: 4500 r/min Size: approx. 97x97x33mm Package Includes: 1x 12V 1.5A Air Blower 1x US Plug Power adapter note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!