Controller for Roller Shutter Door BY HIPHEN SOLUTIONS 1.copper and aluminum wire are optional. 2.Long standby time when power off, up to more than 20 days. 3.the door will auto-reverse when it comes in contact with an obstruction. 4. Standard type: 1 control box + 2 remotes. 5.The Frequency can be choosed 433mhz or per clients' request. 6. In the absence of...
