SAFETY DESIGN: The door can only move by pressing the button in the opposite direction when it reaches its stroke to prevent rushing out. REMOTE CONTROL: The control board comes with 2 remote controls, which have strong anti-interference, sensitive control, and long distance. EXTERNAL SWITCH INTERFACE: When used as an internal board, an external switch can be connected to open and close the door body. MOTOR TIME PROTECTION: To prevent the motor from running for a long time after various malfunctions, the time is set to 100 seconds. LED INDICATION: The operation of the motor control board is equipped with LED indicators for easy debugging and maintenance., Weight: 0.90720220813 Pounds, Manufacturer: Prterver