Voltage: 4V Hex shank: 1/4″ No-load speed: 240rpm Max torque: 4N.m Two positions adjustable handle Charging via USB type-C cable(cable sold separately) Integrated work light Include: 16 Pcs 25mm Cr-V bits+holder 2 Pcs 50mm Cr-V bits+holder 1 Pcs connector Packed by carrying case