Easy to adjust direction for releasing object. To change direction for releasing, the only operution is taking 17mm wrench to unlock and lock again of screw of stroke. various angle from 50-90 degree. Controller(CD-EMI) To change paramcters, only need key in 3-5 steps to complete inputting. 15 timing modules, it is easy to complete more accurate adjustment. Do not need stop running machine when change any parameter.