AdaptationThis small electric drill uses 5V DC, which is safe; Most USB power adapters with 2A output can be used for power supply. Convenient switchThis mini small portable USB drill is powered by USB cable, convenient to use. With a switch on the USB cable for easy control. Applicable sceneSuitable for punching ordinary density plastics and wood, circuit boards, booklets, resin toys, books, etc. drip film accessories, beads, acrylic, thickness is not more than 8mm. Comfortable grip designComfortable to hold, designed with cylindrical drill body is comfortable to hold. Portable DIY electric hand drill, durable and reliable. Product Description Specification: Product Name: Mini Portable Electric Drill < p>Condition: 100% Brand New Color: Black Style: USB Power Cord Supply Voltage: 5V Rated Output Power: 15 (W) < p>Handle structure: straight Drill clamping method: drill chuck No-load speed: 11000 (rpm) Rated speed : 12000 (rpm) Size: 12.3*3.5 (cm) Diameter of chuck: 1.1 (mm) Maximum drill bit diameter: 1.1 (mm) Weight: 125g Package including: 1pc*mini electric drill < p>5*drill bits 1*Allen wrench Note: 1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2. please allow slight dimension difference due to different manual measurement.