Description No-Load Speed11000 rpm Rated Voltage3 - 24V Power SourceElectricity Frequency50 / 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) _x000D_