20W Powerful Engraver Pen: engraving pen is equipped with 650mAh battery, fully by USB can work for 120 minutes, and full load working time for 40 minutes, it provides automatic power off and overload protection to prolong the service life. 3-Speed Switchable: The jewelry engraving pen motor provides 20W power with three adjustable speed settings, LED light display, and a speed range of 5000-15000r/min. It's perfect for DIY, crafts, and light projects, making it perfect for small and tasks. Beginner Friendly: The DIY carving pen is great for beginners, making carving as easy as writing. It's perfect for both DIY projects and nail polishing. When using it for the first time, start with the low-speed mode and gradually increase the speed. Easy to Use: The compact design of the pen makes it easy to carry, allowing you to start your DIY show anytime, anywhere. It is versatile and can be used for engraving on metal, glass, ceramics, leather, wood, jewelry, stone, or plastic. What Can You Get: The carving pen set includes 30 carving drill bits, 3 saw blade drill bits, 1 connecting rod, 6 drill bit adapters, 6 punching drill bits, 5 polishing drill bits, 3 templates, and 1 -USB charging cable. Colour: Material:Metal Package Contents: 1set * wood engraving pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.