Specifications Brand DONUMEHModel DMSD 100Voltage 3 6V DCSpeed Adjustable 3 settings 12000 15000 17000 RPMCharger Type Type C USBBattery Capacity 900mAh Li ionChuck Size 0 5mm to 3 2mmFeatures 1 Adjustable Speeds for Versatility Offers three speed settings 12000 15000 17000 RPM to efficiently handle engraving polishing and cutting tasks across multiple materials 2 High Concentricity Head Clip Designed for stable and precise operation ensuring accurate detailing and professional quality results 3 Compact and Cordless Design Lightweight and easy to handle perfect for portability and flexible use in DIY projects or professional workspaces 4 USB Charging Made Easy Compatible with Type C USB it allows seamless charging through power banks adapters or other USB enabled devices for added convenience 5 Comprehensive Accessory Kit Includes an 82 piece set to support a wide range of applications from engraving intricate designs to cutting and polishing Package Included 1 x Mini Electric Rotary Tool82 x Accessory Kit Items