The Revival system Air runner This is a new concept treadmill non motorised gravity powered curved runner The curved design help to improve your running gait and to prevent injury accelerate and decelerate controlling the speed instantly from when you start running The Treadmill. 💪Burn up to 30% more calories than a standard running machine!! 💪6 month warranty included with product The lcd screen displays:➡️ time➡️distance➡️movement speed➡️caloriesRunning belt size：H:1700mmW:440mmTreadmill size:L:1975mmW:855mmH:1580mmGross weight:220kg