Orbitrek Elliptical Machine by Thane Fitness * An elliptical trainer or cross-trainer (also called an X-trainer) is a stationary exercise machine used to simulate stair climbing, walking, or running without causing excessive pressure to the joints, hence decreasing the risk of impact injuries. * Electronic monitor for Time, Speed, Distance and Calories. * The following numbers are displayed on the bottom of the machine: # 991002 and # 0319228 * Owner's manual located here: https://media.thanedirect.com/manuals/ORBITREKMANUAL.pdf