Flexible Expandable Powered Roller Conveyors is a versatile roller conveyor with controllable conveying speed & direction, adjustable supporting legs and enough power supply by one 60w S.T.S mini motor per meter.It is well qualified to intensively transport goods especially with flat bottom in the warehouse, Storehouse, Workshop, Factory, Harbor and Docks. Advantages: Easy, Safe, Quick and Efficient goods delivery! Controlled by one independent electric box, loading and unloading, two way operation Quickly loading cartons from warehouse to containers, trucks.