This is the WOLFMATE M2: a multifunctional fitness trainer that mounts to the wall and lets you perform over 200 exercises. It can replace a wide variety of machines, including a rowing machine, dumbbells, and smith machine. It has digital resistance from 2 to 300lbs.
This gym has 4 training modes (Constant Force / Centripetal / Centrifugal / Rowing). It has a lightweight, portable design, so you can fit it in small rooms. Its app lets you track speed, time, reps, and other stats.