Three speed settings: The electric engraving pen has a working power of up to 10W, has 3 speeds and a speed of 10,000-15,000-20,000 revolutions per minute. It can be used for different occasions at different speeds. The electric engraving pen has a working indicator and an overload indicator, which allows you to see the usage of the pen in real time. High quality and exquisite design: The USB electric engraving pen is equipped with an excellent motor that works with a power of up to 10W. Equipped with an intelligent overload protection chip, the resistor automatically cuts off the power, and the engraving pen is very user-friendly and safe. Safety Design: The electric engraving pen with USB rechargeable battery is designed for comfort, and the ergonomic handle ensures extra comfort and smooth and stable control. The engraving pen has a single red button that you can simply press to start working, and is safe to use because it automatically turns off at high resistance. Easy to use DIY rotary engraving pen, especially suitable for beginners.