Ideal cordless electric engraver pen for exploring creativity on 60+ surfaces. 3-level visible speed adjustment ranging from 8000 to 21000 r/min for engraving different materials. Intelligent power-off protection with a built-in overload protection chip to prolong the service life. Low noise operation, making it suitable for use anytime, anywhere without disturbing others. Rechargeable USB type-C charging for convenience and ease of use., Weight: 0.31195410073 Pounds, Manufacturer: Ehwisbe