Feature: 1. Type 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 2. Fast 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 3. Lightweight 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 4. Indicator 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 5. Scope of Application: The engraving pen supports engraving, grinding, polishing, drilling, cutting, etc. on metal, glass, ceramic, leather, wood, jewelry, stone or statue Specification: 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 Type: Lithium Battery (shipped with built in battery) Battery Capacity: 300mah Charging: 80% Full in 30 Minutes, Full in 60 Minutes. Package List: 1 x Electric Engraving Pen1 x Hex Wrench1 x Charging Cable30 x Grinding Needles1 x Grinding Needle Storage Box2 x Drill Bits6 x Slices2 x Slice Connecting Rod2 x Metal Grinding Heads16 x Templates1 x User Manual Note: Shipped with Built in Battery1. Electric grinding power is small, suitable for small engraving and grinding field2. Do not place the electric grinder in a high temperature place above 40 degrees