Designed for serious walkers and runners Inertia Runner X6.5 treadmill is perfect for the home gym Treadmill designed with highly-rated 2.5 continuous duty motor operates for extended periods of time without any drop-off Extra wide running surface is built to increase your comfort while walking, jogging, or running Exclusive Shock-Deck reduces impact of every step One-touch keys for instant speed and incline change Easy-Touch system offers secure method to change sped and incline levels while holding the side rail handles Built-in wireless heart rate Aluminum upright and side rails Contoured corners 0-12 mph speed range 0-10 incline range 20 x 58-inch running surface Easy to read LCD 10 programs Folding design for easy storage Treadmill measures 45 inches long x 35 inches wide x 69 inches high when folded 300-lb. user weight limit LED display shows incline, calories, speed, pulse, distance, and time