Built to sweep dirt, dust, metal shavings, foundry sand, bolts, paper, wood, whatever there is in factories. Compact but not light-duty. Main broom: 32" L x 10" Dia.; Cleaning width: 46". Broom power/speed: 1.0 hp/435 rpm; Hopper: 4.2 cubic ft. Battery run time: 3 to 7 hours; Drive power: 2.0 hp. ea