This product, “MiR Smart Carry Series MT1A-W250” is used as a top module for MiR100 or MiR250. MT1A-W250 mounted on MiR can carry and transport either specified or customized carts. By opening the side bars of the MT1A-W250, it docks and transports the cart, and detaches it by closing the side bars. It is equipped with a touch panel, making it possible for the users to check remaining battery and its status, open/close sidebars, and mission instructions.