The STH-5100 treadmill is a dual spring shock absorption machine that is perfect for home use. It is designed to accommodate users weighing up to 130 kg, and has a running area of 1260*450 mm. The machine also has an incline range of 0-18%, and a speed range of 0-18 km/hr. The treadmill also features a 5 inch blue screen that displays information such as time, speed, distance, and calories burned. The machine also folds for easy storage.