max drill diameter:26mm rated voltage:110/230v frequency:50/60hz rated input power:520/720w no_load speed:460r/min Accessories for 20-26 electric hammer: Oil Box:1PC Dust Shield:1PC PC Box: 1PC Point Shovel:14*250mm*1pc Flat Shovel:14*250mm*1pc Twist Drill:8*150mm*1pc 12*150mm*1pc 18*250mm*1pc