... , rolling code transmitter 5, cellphone remote control Sliding gate opener control board1, Inpout Voltage : AC230/110V selectable2 ... control logic board12, 433MHZ/315MHZ Remote control ,100meters open site13, Self learning rolling code technology ,Super heterodye ... emergency purposes21, Overheat and overload dual protection22, Self-lock electromechanical gear motor23, Time delay closed is adjustable24, ...