1. Applicable grinding head shank diameter: 2.35mm
2. Chuck depth: 25mm
3. Battery capacity: 300mAh
4. Speed: 5000-10000-18000 third gear
5. Power: 8W
6. Battery voltage: 3.6V
7. Charging: 80 can be fully charged in 30 minutes, and can be fully charged in 60 minutes
8. Use time: the third gear can run for more than 1 hour with no load. If you need to use it for a long time, you can use it while charging
9. Bare metal weight: 45 grams
10. Portable engraving pen, small and light, ergonomic design, easy and comfortable to hold in hand
11. It can be used for carving, grinding, etching, milling, grinding, drilling, cutting, very suitable for crafting and DIY
12. Adopt high-quality copper motor, very quiet, strong power, smooth rotation
13. There are 3 gears with adjustable speed (5000 rpm, 10000 rpm, 18000 rpm), suitable for different occasions
14. Usually metal/wood speed is low, glass/ceramic speed is fast
15. LCD display, keep abreast of the remaining power and gear position, so that you can adjust the speed or charge according to your purpose
16. USB charging, long battery life, 300mAh battery capacity
17. Built-in safety protection board and intelligent overload protection chip, it will automatically cut off the power supply to prevent the engraving pen from being damaged