... 4, rolling code transmitter 5, cellphone remote control Sliding gate opener control board1, Inpout Voltage : AC230/110V selectable2, ... GSM Network area)15, Wire control with manual switch16, Electronic soft-start17, Auto-reverse function , and the reverse force ... Auto-closed function is adjustable20, Manual release key design for emergency purposes21, Overheat and overload dual protection22, Self-lock ...