1) light-weight (2 pounds), ease to use, and cordless. 2) able to clean on all 4 sides at the same time. 3) picks up everything from dust to the big stuff 4) low profile design 5) can go anywhere, you can slide it under furniture with ease and clean the stairs 6) can swivels 360 degrees 7) great for picking up crumbs, dirt, pet hair, dust 8) can be used it Carton meas:48*40.3*48cm Qty per carton:12pcs/CTN Qty per 20ft:3800pcs Qty per 40ft:7600pcs G. W. N. W.:17.8/16.8kg Weight 17.8 catty/PC Net weight 16.8 catty/PC L x w x h 48 x 40.3 x 48 cm