1. Double Color touch screen control,dual display in English version 2. Knee sensor makes running angle more accurately. 3. Dual bars make it more stable ,which also have the function of reduction in total machine length . 4. Torque setting: 3 type 5. Touch screen setting of angle,speed,time 6. Special design of the support bar suiting to human curve 7. Input: 100 to 230 VAC , 50/60 Hz 8. Treatment Time: Continuousfor 240 min 9. Speeds:0.5°-3.5°/s ( 9 levels) 10. Working Anglesof knee joint: -5°- 120° 11. Suit to people1.55m-1.9m