Voltage:7.2V/9.6V/12V/14.4V/16.8V/18V Chuch Diameter:1.5-10mm/2-13mm Torque Stage:6/16 No load speed:0-550rpm/550rpm;0-900rpm Charging time:3-5hours/1hour Carton size:46X30X30cm G.W./N.W.:15/14kgs;16/15kgs Quantity:20 container:3570pcs; 40 container:6900pcs With or without impact function Packed: in blow mold case / in double blister / in color box