1.No load speed: 0-900r/min 2.Switch: forward/reverse 3.charge time: 3-5 hours or 1 hour 4.Voltage: 7.2-18V Voltage: 7.2-18VNo load speed: 0-900r/minSwitch: Forward/Reversecharge time: 3-5hours or 1hourSwitch: Forward/ReverseTorque Grade: 16+1with impact:yesgift box size: 45*23*49.5cm  10PCS/ctnBMC box(single battery ): 74*29.5*30.5cm  8PCS/ctnBMC box(two battery ): 59*32*31cm  5PCS/ctn