Note: The rowing machine's monitor is packed within the foam for safety during shipping. Some customers have accidentally thrown it awayplease double-check the foam packaging before disposal! PERFECT FOR HOME: The Sportneer rowing machine adopts a foldable compact design, greatly saving its storage space. It is also equipped with casters, making it more convenient to move and greatly protecting the floor at the same time, suitable for indoor use HEIGHT ADJUSTABLE: The support frame at the rear of the rowing machine is an adjustable structure, providing different height options for adjusting 3 gears. In addition to sliding function, the seat also provides 2 fixed seat gears for more sports options EASY TO ASSEMBLE: Always troubled by accessory installation? Dont worry! The main accessories have already been assembled on the main frame; only a small part needs to be installed by yourself. Reading the manual or watching the video, installation is easy peasy FULL B