Feature: 1. Efficient Use: Designed to have a high power to 30W, the engraving pen supports 3 speed level adjustment of 5000RPM, 10000RPM and 15000RPM. 2. Easy for Work: Pen shape enables comfortable operation for your working, meanwhile the ergonomic design ensures more stability in the control. 3. Cordless Tool: Having been fully charged through the USB port, the cordless engraver pen can work continuous for 3 to 4 hours, very reliable. 4. Broad Utility: Allows for wide application in engraving, grinding, polishing, etching, wiring, grinding, drilling and so on, meeting your needs. 5. Simple Carrying: Light in weight and compact in size as well, the convenient carrying makes the indoor and outdoor using much easier. Specification: Item Type: Engraving Pen Material: ABS, metal Speed: 3 speed adjustment, 5000RPM, 10000RPM, 15000RPM. Charging Voltage: DC 5V Power Supply Mode: 18650 lithium ion battery 2000mAh, built in carry. Power: 30W. Package List: 1 x Engraving Pen1 x Cemented Carbide Scriber1 x Wrench24 x Template30 x Diamond Burr Bit (With Storage Box)2 x Diamond Drill Bit3 x Stainless Steel Saw Blade3 x Diamond Cutting Disc2 x Replacement Collet2 x Connecting Rod1 x USB Charging Cable1 x User Manual