Features [Specifications And High Performance]: The Power Can Reach 10w When Working, And The Three-Speed Speed Can Be Adjusted Between 5000-18000r/Min, Suitable for Different Materials. The Integrated Design of The Improved 18,000rpm Motor With Built-In Precision Bearings And Extended Shaft Can Effectively Improve The Concentricity of Grinding Rotation And Provide You with Better Controllability. The Lightweight Aluminum Frame And Ergonomics Give You Precise Fingertip Control. [Low Noise And Portable]: The Working Noise of The Electric Engraving Machine Is Very Low, So You Don'T Need To Worry about Disturbing People Around You. The Main Body of The Etching Tool Is Light And Small, You Can Put It In Your Backpack Pocket, Super Convenient [Wide Application] This Electric Router Can Work Precisely And Comfortably on Almost Any Surface, Multiple Templates Are Suitable for Sanding Glass, Metal, Wood, Plastic, Leather, Jewelry And More. It Is Very Suitable for Small-Scale Light Work, Such As Making Personalized Accessories And Decorations, Writing Your Words or Commemorative Dates on Jewelry or Wood Carvings, Making Ordinary Jewelry Unique. It Can Also Be Used As Part of A Wood Router or Metal Carving Kit. [USB Smart Portable Safe Charging] - This Electric Engraving Machine Can Be Charged By USB, And It Is Equipped with A Data Cable, Which Brings Convenience to Your Charging. The Micro Engraving Pen Has A Built-In Safety Protection Circuit Board And An Intelligent Overload Protection Chip, Which Will Automatically Cut Off When The Working Resistance Is Too Large. [A Variety Of Accessories to Match As You Like] 1 X Grinding Pen 5 Grinding Heads 2 Wool Wheels 1 Charging Cord 3 X Cutting Discs 1 Connecting Rod 2 Drill Bits for Engraving, Grinding, Polishing, Etching, Routing, Grinding, Drilling, Cutting, Etc. This Diy Rotary Tool Kit Includes A Variety of Accessories for Carving, Engraving, Sanding, Polishing, Etching, Routing, Grinding, Drilling, Cutting, And More. Specification: Item Type: Electric Engraving Pen Material: Aluminum alloy Battery: 1 x 4.2V lithium battery, Battery Capacity: 300mAh Speed: 5000rpm(low speed), 10000rpm(medium speed), 18000rpm(high speed) Power: 8W Package List: 1 x Sanding Pen 5 x Sanding Head 2 x Wool Wheel 1 x Charging Cable 3 x Cutting Piece 1 x Connecting Rod 2 x Drill Bit Package List 1 x Sanding Pen 5 x Sanding Head 2 x Wool Wheel 1 x Charging Cable 3 x Cutting Piece 1 x Connecting Rod 2 x Drill Bit