There are plenty of compact elliptical machines that can work your legs as you work. If you are dealing with injuries or mobility issues, you may want to invest in a motorized version. The FitNation by Echelon Pedal Pro Plus is a motorized seated elliptical that gives you a light exercise as you watch TV.
This machine has auto and manual settings. It has a built-in display and 3 preset settings for you to choose from. You will be able to see speed, time, distance, steps, and calories on the machine.