The Xterra Trail Racer 6.6 treadmill is equipped with a 3.0 horse power continuous duty motor which speeds the belt up to 12mph (19.3kph). The 0-15% incline range enables you to target different muscle groups, while the large (20'' x 60'') running area provides safe & comfortable workout sessions. The treadmill offers a great selection of 12 motivating programmes & is fitted with a 7.5'' Blue Backlit LCD display offering feedback on key workout statistics. It features the XTRA Soft cushioning to guarantee that less stress is put on the joints, & incorporates the Lift Assist technology to make folding & unfolding quick & easy. The 6.6 allows for measuring heart rate with the hand pulse sensors or a wireless receiver with an included chest strap.