cordless engraving pen is designed for DIY people who are pursuing versatility and portability.Its compact size is 0.7x0.7x5.1 inch and weighs only 1.55 ounces, making it ideal for carving on jewelry, wood, glass or stone. With 3-speed motor, adjustable to 5000/10000/18000 RPM, it can meet various engraving needs.Whether you are a beginner or a professional, this engraving tool makes every project accurate easily. This engraving pen is designed as a basic engraving kit for beginners., ergonomic design, combined with 7 drill bits, can be used for various engraving tasks and is easy to use. The engraving pen uses a 350mAh battery and can be used continuously for 40 minutes on one charge.This way you can complete more projects without interruption. Engraving Pen comes with 7 drills that handle a variety of engraving, engraving and detail tasks, making it ultimate companion for DIY enthusiasts to explore creativity. Color: As Shown Material: Metal Package Contents: 1 x engraving pen (random color, no specification accepted) 1 x charging cable 7 x drill bits Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.