Life Fitness F1 Smart Treadmill Specifically designed for a home setting with features such as child safety lock and a quiet motor system GoSystem Quick Start feature remembers your preferred walk, jog, and run speeds Seamless compatibility for your iPod; controls for speed, incline, pause/resume, stop and iPod conveniently located on console Patented FlexDeck Shock Absorption System reduces stress on joints by 30 percent when compared to running on non-cushioned surfaces 300 pound capacity; 77 by 34 by 59 inches (L x W x H); weighs 29 pounds