Features: Mini size, light weight, easy to carry. Powered by USB cable, convenient to use. With a switch on the USB cable for easy control. Made of high quality material, sturdy and durable. Cylinder drill body is comfortable to hold. Mainly used for drilling wooden boards, plastic boards, sheets of paper (thickness less than 10 mm); aluminum board, circuit board (thickness less than 10mm). Specification: Condition: 100% brand new Material: Metal + Plastic Color: Black Power Supply: DC 5V Rated Output Power: 18W No Load Speed: 11000rpm min Suitable collet range: 0.7-1.3mm Drill length (the drill bit not included): approx. 110mm/4.33inch Drill Diameter: Approx. 30mm/1.18inch USB cable length: approx. 1.68 meters/5.51 feet Weight: approx. 119g Package included: 1 x electric drill with USB cable (adapter is not included) 3 drill bits (1.1 mm in diameter) 1 key Note: 1. This product is not suitable for drilling these materials, such as bodhi, thick metal, wall and stone. 2. There may be an error in the drilling accuracy. 3. The USB adapter may exist incompatibility. 4. It cannot be connected to a grinding or polishing machine.