Features and Benefits Horse Power Rating : 2.25 Continuous Duty--This is the amount of continuous motor power that is consistently delivered during heavy usage over an extended period of time. Shock Absorption: ProTech(tm) Treadmill Deck Cushioning--Protects your joints and ligaments from the hard stresses of running and walking. Increases the comfort of your workout. Heart Rate Monitor: Dual-Grip EKG(tm) Heart Rate Monitor--Make the most out of every workout by monitoring your heart rate with these sensors that are built into the handlebars, ensuring you're always in the right training zone for your goals. Interactive Programs: iFIT.com(tm) Compatible--Patented iFIT.com technology is the latest innovation in interactive fitness. Designed by A.C.E certified personal trainers, iFIT.com workouts can be streamed from the Internet, videos, and compact discs that automatically control the speed and incline of your treadmill. These interactive workouts offer customized, goal-specific results. Display Panel: Grafixx(tm) Display--Tracks you speed, time, distance, pace, pulse, and calories burned. Can also visually display your heart beat or an animated figure walking, jogging, or running through your workout with you. Key Specs Maximum User Weight: 325 Pounds Minimum Speed: 0 Miles Per Hour Maximum Speed: 10 Miles Per Hour Incline Minimum: 0 Percent Treadmill Running Surface Length: 55 Inches Treadmill Running Surface Width: 20 Inches Motorized Incline-- Incline--Displays the current percentage of incline in use.