Feature: 1Type C Chargable: The electric engraving pen can be used for charging or connecting to a power source and comes with a Type C charging cable 2Fast Charging: The cordless engraving pen can be charged to 80% in 30 minutes and fully charged in 1 hour. with long lasting battery, 1 hour of continuous use under normal circumstances 3Lightweight and Portable: The engraving pen is small and easy to carry, with 1to 3 levels rotation speed of 5000, 10000, 18000 rpm, which one button switch 4Indicator Lights: The cordless engraver is equipped with power, speed and overload indicators. When the resistance value is too large, the overload indicator light is on, and the power off protection is automatically performed 5Scope of Application: The engraving pen supports engraving, grinding, polishing, drilling, cutting, etc. on metal, glass, ceramic, leather, wood, jewelry, stone or statue Item Type: Electric Engraving Pen Material: Metal Plastic Adapt to Grinding Head Shank Diameter: Approx. 2.35mm/0.1in Chuck Depth: Approx. 25mm/1.0in Speed: 5000,10000,18000 Third Levels Power: 10W Use Time: The Third Level Runs for More Than 1 Hour with No Load. if You Need to Use It for a Long Time, You Can Use It While Charging Battery Voltage: 4.2V Battery Type: Lithium Battery (shipped with built in battery) Battery Capacity: 300mah Charging: 80% Full in 30 Minutes, Full in 60 Minutes Package Included: 1 x&nbspElectric&nbspEngraving&nbspPen 1 x Hex Wrench 1 x Charging Cable 30 x Grinding Needles 1 x Grinding Needle Storage Box 2 x Drill Bits 6 x Slices 2 x Slice Connecting Rod 2 x Metal Grinding Heads 16 x Templates 1 x User Manual