Description            No-Load Speed：11000 rpm    Rated Voltage：3 - 24V    Power Source：Electricity    Frequency：50 / 60Hz    Features: - This small hand drill can be used directly, but to DIY, you need to assemble it yourself. - The drill can be changed,it can match drill diameter 0.1-4mm. - It's with 24V 385 strong magnetic carbon brush motor. - The small drill can be driven by a 3V-24V 1.5A DC power supply . - The power adaptor adjusts the voltage, which in turn adjusts the speed of the drill. - Small drill volume: 30mm in diameter and 90mm in length (not including chuck length). - With high-grade silver matte aluminum alloy shell, the high-end atmosphere is extremely exquisite.    Type: 385 Motor    Color: Black & Silver    Material: Aluminum Alloy + Brass + PVC    Drill Chuck Diameter: 1mm    Clamping Range: 0.1-4mm    Electric Drill Structure: Straight type    Motor Cooling Method: Self-cooled    Application: Circuit board, PVC plastic board, wood board, thin copper sheet, thin iron sheet, thin aluminum sheet, etc.    Adapter Parameters: - Input: 100 ~ 240 V AC, 50 / 60Hz - Output: DC 24V, 1500mA - Power Adapter: US / EU - Wire Length: 1.2m(approx)               Package include            1 x Mini 385 Motor    1 x 1mm Drill Bit    1 x JTO Drill Collet    1 x Chuck Wrench    1 x Power Adapter