About this itemUSB Rechargeable Design: Our engraving pen is USB rechargeable. Cordless use lasts up to 30 minutes idle after fully charged, which can meet most of the requirements of your DIY projects at anytime and anywhere. Portable and simple etcher for any surface, such as engraving for wood, plastic, glass, leather, metal, stone, and also for nail polishing. Just insert the bit to use, super easy and is perfect for both beginners and professionals.Visible Speed Adjustment: 3 levels adjustable speed(5000-10000-18000RPM), you can adjust working speed for different application. Usually, low speed for metal and wood, fast speed for glass and ceramic. Electric engraving pen with electric quantity indicator light and overload indicator, you can know the engr.
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