Features Rechargeable Tool: This engraving tool is rechargeable, comes with a USB cable, compact pen shape design, lightweight and easy to carry. High performance: This tool is suitable for various materials, the speed can be adjusted in 3 gears from 5000rpm to 18000rpm, provides high efficiency with low noise. Safe and reliable: The built-in safety protection board and intelligent overload protection chip automatically cut off the power when the working resistance is too large, thereby preventing damage. Easy to use: The ergonomic handle of the body allows you precise fingertip control. This tool is easy to use and perfect for beginners or professionals. Wide range of uses: With this tool, you can DIY your work and make unique accessories and gifts, which can be widely used for engraving, grinding, polishing, etching, wiring, grinding, drilling, etc. Specification: Item Type: Electric Engraving Pen Material: aluminum alloy Battery: 1 x 4.2V lithium battery with 300mAh capacity, comes with built-in battery. Speed: 5000rpm low speed, 1000rpm medium speed, 18000rpm high speed. Power: 10W Charging voltage: 5V Package list: 1 x Electric Engraving Pen 4 x Engraving Bit 1 x Engraving Bit Storage Box 1 x USB Cable 1 x User Manual 1 x Storage Box Package List 1 x Electric Engraving Pen 4 x Engraving Bit 1 x Engraving Bit Storage Box 1 x USB Cable 1 x User Manual 1 x Storage Box