Item Type: Electric Drill_x000D_Material: ABS + Brass_x000D_Model: MRT22DC_x000D_Voltage: DC5V (USB)_x000D_Speed: 5000/10000/15000 (3 Gear)_x000D_Power Supply: 2000mAh Lithium Battery 1Mini electric drill set has the functions of punching, engraving and painting, marking, trimming, polishing, etc. 2Suitable for materials such as stainless steel, ceramics, glass, plastic wood animal corner acrylic board, circuit board thin staggered board, etc. 3Low?voltage design, copper motor as the power unit, and a variety of grinding and drilling accessories to make it a wide range of applications 4Electric grinder tools have the advantages of reasonable structure, low price, high cost performance, etc. 53?Speeds adjustable, one button to switch rotation speed from 5000/10000/15000rpm, the best choice for users such as DIY hobby, jewelry processing assembly line, etc. 1 x ElectricDrill 1 x USB 1 x User Manual 2 x Wool Felt 1 x Saw Blade 5 x Grinding Heads 5 x Pole 5 x Collet 3 x Abrasive Paper 3 x Drill Bits 1 x Plastic Box 1. Keep your work area clean and tidy_x000D_2. Do not use it in an environment with explosive gas or dust_x000D_3. Pay attention to the safety of electricity, do not use the tool in a humid environment or in the rain._x000D_4. Make sure that the fixing nut of the chuck has been tightened before starting the tool_x000D_5. The continuous use time of this product does not exceed 15 minutes. Do not block the heat dissipation port during use. When the motor is stuck during operation, turn off the switch in time to avoid burning the motor._x000D_6. Shipped with built?in battery.