Features: Brand new and high quality Brushless motor, hand-wound motor, and brushless high-speed motor are used as fans. The newly developed adjustment can be in 3 and 1 gear (with brake). The output speed is 120000RPM, which can produce the fastest wind speed of 50m/s, equivalent to a 15-level typhoons, with strong power, lasting stability and long load without burning the machine. It also has the functions of charging protections and overheating protections. Built-in two high-rate double 18650 batteries, battery capacity of 2500mAh, full only 1.5h, 1 gear can reach 8 hours of battery life, more durable use! Give you a different experience. Use for air cushion blowing and inhaling, computer equipment cleaning, industrial dust blowing, charcoal burning and combustion supporting, automobile water blowing and snow blowing, photo studio shooting and wind blowing, pet drying and many other uses. Specifications: Material:Plastic Color:Redness/White/Black Purples and blue are always on: charging. Redness is always bright: full Power: 180W Speed: 120000RPM Continuous use time: 8 hours in one gear. Battery capacity: 2500mAh Size:Approx.12.6x4.6cm/4.96x1.81inch Package Includes: 1 Set Mini Blower Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.