1.1. Compatible Batteries: The Blower is suitable for Milwaukee M18 18V Li-ion batteries, such as M18 48-11-1852 48-11-1840, 48-11-1815, 48-11-1820, etc. 2.2. 4-Wind Speeds Switching: Please press the button on the side of the machine to adjust the 4 air speeds: 8M/S, 17M/S, 25M/S, 30M/S according to your needs at any time.The maximum wind speed is up to 130,000RPM, please feel to switch the wind speed according to your needs. 3.3. Wide Range of Uses: It is versatile great for indoor, outdoor, garage. Used for computer dusting, keyboard dusting, leaf blower, corner dusting, cleaning snow falling from cars, BBQ blowing to fuel the fire, clothes drying. 4.4. and Light: The jet blower is compact and lightweight and can be carried easily. So it's perfect for outdoor work, camping, barbecues and more. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store