Features: *Variable Speed: The cordless electric mini drill grinder engraving pen has a three-gear selection, allowing you to choose the appropriate speed for different occasions. This ensures easier and more professional results for your projects. *Wireless and Compact: With a wireless design, this rotary tool offers enhanced mobility and convenience. Its compact body makes it easy to handle and operate, allowing you to work in tight spaces effortlessly. *Battery Display Function: Equipped with a battery display function, you can easily monitor the remaining power of the engraving pen. This feature ensures that you never run out of power during important tasks. *Intelligent Overload Protection: The engraving pen is designed with an intelligent overload protection chip. It automatically powers off when encountering excessive resistance, damage to the tool and your safety. *Dual Use and Efficient: This mini drill grinder can be used for both charging and plugging. You can connect it to the power supply while charging, continuous and maximizing your efficiency. (Note: The generated content is within the required character limit.) Specifications: *Part Name:Electric engraving pen *Material:Metal *Size:16*124mm *Color:Silver + Green *Voltage: 3.6V *Power: 25W *Speed: 5000-25000r/min *Application: engraving Package Content: 1X engraving machine 1XCharging cable 1X2.35 handle post 2XHardened drill bits (1.0mm, 1.5mm) 30X2.35 rotation position 3Xstainless steel cutting blades (22mm, 25mm, 32mm) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.