is professional commercial treadmill/running machine, perfect design, and quiet AC motor provide stable and safe exercise, the streamline of frame makes it more elegance. Products features: *Professional treadmill use AC motor, inverter, electrical console *Maximum speed: 20km/h, Power: 3.0 HP, MAX 4.8HP *Running belt (LxW): 1580x530mm *Easy to use *The running belt is from Sigeling Germany which farthest reduce the static and modulus of friction *Adjust speed and incline easily *Emergence stop key to enhance safety. *Hand sensor heart rate test *Frame: Aluminum structure outside, steeliness structure inside *Six different program *High tech matrix raceway display Standard and specification: *Model: SW-007 *Motor: AC 3.0 HP/AC 4.8HP *Max power: 4.8 HP/6.0HP *Speed: 0.1-20km/h *Incline: 0-16% *Program display: Speed, distance, calorie, incline, time, aim, heart rate. *Emergence stop *Running belt (LxW): 1580x530mm *Running belt thickness: 3.2mm *Set-up Height: 350mm *Oval Size(LxWxH): 2210x934x1525mm *Packing siz: (LxWxH): 2270x1150x870mm *Package: Iron frame box *NW/GW: 230KG/345KG *Max user weight: 250kgs *Loading quantity: 18PCS/20ft 36PCS/40ft