ProGear 400LS 2 Dual Trainer Elliptical & Exercise Bike with Pulse Sensor 14" Stride Length with backward stride capability 4 direction adjustable expanded extra large seat Additional weight capacity up to 250lbs Reinforced crank system for consistent momentum Easy dial tension adjustment for a more or less challenging workout An easy to read computer LCD display that indicates distance, calories burned, elapsed time, speed and heart pulse Water bottle holder Additional stationary arms with dual pad pulse sensors Stationary arms provide an option to using the dual action arms Transport wheels provide for easy relocation Dual Action workout arms provide an additional upper body workout Some assembly required