The mini electric hand drill is made by excellent material, which is practical to use, and can easily help you complete the drilling work and make your manual smoother. USB charging design, it is a very good DIY hole punching tool, which will meet your needs well. Features - Color: Black. - Material: Plastic, Brass. - Size: About 12.30X3.50X3.50cm/4.83X1.38X1.38inch. - Using premium brass and plastic material, durable and long serving time. - Simple to use, can easily drill holes in beads, wood and plastic. - Equipped with drill bits can be replaced according to the needs of use. - Light weight and compact, portable size, will not take up too much space. - Electric drilling, saving time and effort, easy to operate and convenient. Specification - No-load speed: 11000 ( ). - Rated output power: 15 (W). - Rated speed: 12000 ( ). - The maximum diameter of the drill bit: 1.1 (mm). - Working voltage: DC 5V. - Working current: 2A (blocked rotor 3A). - : 360 motors. - Motor shaft diameter: 2.3mm. - Power interface: 1.5m USB plug cord - Chuck model: brass 2.3-1.2 (Clamping range 0.7~1.2mm) - Scope of application: plastic and wood punching. - Note: Most USB power adapters that output 2A can be used for power supply. Precautions: 1. It is strictly forbidden to use this product in humid, dusty, flammable and explosive environment. 2. It is not suitable for drilling metal, walls, shells and other similar hard objects. 3. Some USB power adapters cannot be used due to incompatibility. 4. It is forbidden to jam the drill bit during work, otherwise the motor and components will be burned. 5. There is no power storage function; it cannot be converted into a cutting machine or electric screwdriver. 6. When drilling, you need to stabilize the machine body and move forward vertically, and the instability of the drilling will cause the drilling accuracy to drift or break the drill. 7. If the buyer privately converts to a small electric , the grinding head can only be equipped with a small grinding head, which is suitable for a diameter of 5mm and a total length of 40mm. Package list: 1 x hand electric drill 5 bits