Voltage: 12V (Li-ion) No-load Speed: 0-400RPM / 0-1300RPM Impact Rate: 0-6000BPM / 0-19500BPM Max. Torque: 30NM Torque Setting: 21 Function Setting: 3 Chuck: 0.8-10mm chuck Charging Time: 1 hour / 3-5 hours