Ultra Large Capacity1200mAh rechargeable battery can provide powerful power without wires, and the battery can be charged through the USB interface. Engraving Pen can generate strong and steady power to complete most DIY craft work. High Speed Powerful MotorThis electric engraving pen has a 37,000 RPM motor, the motor runs stably at high speed, and it is not easy to heat up for a long time. Pentype push switch, pen press, sensitive contact switch, easy to operate. Ergonomic DesignThis engraving pen is like a writing pen, with a comfortable grip, small and flexible, and easy to carry. Highprecision, precise pure copper collet design. Enable consumers to have a better experience during use. Wide ApplicationThis etcher engraving tool supports you to beautify and engrave on any material suppliers, such as glass, wood, egg, plastic, jewelry, ceramic, leather, rings and so on. Package ContentsIt includes an engraving pen, a 1200mAh rechargeable battery, 2 grinding heads, 6 rotating grinding heads, 1 Allen wrench, 2 screws and 1 USB charging cable. Helps you make key chains, DIY necklaces, or make other personalized gifts. If you have any questions, do not hesitate to contact us, we will solve any problems for you within 24 hours.