This operator can slide upward with weight of rolling shutter upto 25kg (size upto 3 meters height and 5.5 meter width) Technical Specifications Installation View Remote Control - two remote transmitters equipped for operation from distance up to 30-50 meters. Automatic Reversing System - ensures the door returns to an open position when it meets with an obstruction while in closing mode. Courtesy Light - light automatically when door is in use. The light will stay on for approximately 3 minutes then turn off automatically. Easy Manual Disengagement Pull Cord - just pull on cord once to disengaged operator for manual operation in case of power failure. Auto Close Mode - set your garage door to automatic close 30 seconds after opening. An infrared beam must be installed if this mode is selected. Safety Infrared Beam - can be fitted to the unit for extra safety protection. Must be fitted for auto-close mode to function. Open and Close Buttons - built in the unit to help you set the open and close limit positions more quicker and precise. Auto Run Time - If the motor is left running in the operator for any reason, the Auto Run Time will turn the motor off after 60 seconds. CAS ( Color Assisted Settings ) System - makes it easier and quicker for the user or installer to complete the installation