https://www.youtube.com/embed/tYpXknMqi1M
THERE ARE 3 DIFFERENT MODEL:
-MANUEL: Degree of blade and blade's up-down movement can be arranged by hand manually.
-AUTOMATIC: Degree of blade and blade's up-down movement can be arranged by pushing button.
-FULL AUTOMATIC: Degree of blade and blade's up-down movement can be arranged by pushing button,also aluminium fence can be regulated by touchable screen)
THERE ARE 3 DIFFERENT ALUMINIUM SLIDING SIZE:
-2200 MILIMETER
-3200 MILIMETER
-3800 MILIMETER