Voltage: 20V MAX, powered by a rechargeable lithium-ion battery.Chuck Size: 10mm (3/8 inch) keyless chuck, allowing for quick bit changes without tools.Speed Control: Features a dual-speed gearbox (typically 0–450 RPM and 0–1,450 RPM) and a variable speed trigger for precise control.Torque Settings: Equipped with multiple clutch positions (often 15+1 or 20+1) to prevent over-tightening or stripping screws.Rotation: Includes a forward and reverse switch for driving and removing screws.