Horizon CST4.5 Treadmill Treadmill is built with Power-V digital drive Powered by 2.25 horsepower continuous duty MagForce motor (23 pounds, 3150 RPM) Runs at 0-12 miles per hour and at a 0-12-percent incline Reax Variable suspension features a 20 x 55 inch belt and tapered rollers Insight console displays vital stats, micro-adjustment keys, contact heart-rate monitor, and more