Suggested Retail:$1559. ProForm Performance 600i Treadmill World-Class Personal Training in The Comfort of Your Home. Add intensity to your training on the Preforms Performance 600i Treadmill. Let expert personal trainers guide your machine’s speed and incline as you follow them through beautiful locations around the world on the built-in 10” Smart HD Touchscreen. With Quick Speed and Quick Incline Controls, you’ll be able to run up to 10 MPH at up to a 10% incline grade at the touch of a button on the 2.5 CHP motor that was built to last. Continuous Horsepower ("CHP") is a term used in the treadmill industry for consumer comparison purposes. The CHP rating is measured in laboratory testing using a dynamometer, which measures the mechanical power of the motor. The CHP rating does not denote the operational horsepower of the treadmill in ordinary household use. In ordinary household use, the motor does not operate at the horsepower shown.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.