Features:

*Easy installation, spring balance debugging, superior quiet and stable operation

*Self-lock on closure position

*Manual release on power stop

*Multi-connection available by remote control, pushbutton switch, safety beam sensor, loop detector, battery backup, air pressure manometer, night-view safe light, road toll system etc.

*Mechanical and electrical double limit switch guarantee the full opening distance and angle

*Self protection against over-heat, over-voltage, over-use