... function.Closed mode:Press the "closed", "beep" sound buzzer, cut to a closed mode, automatic goalkeeper, electricity lock locks, closed and keep ... .One-way mode:Press the "one", "beep" sound buzzer, cut to a one-way mode, automatic door only within the door open ... functions,50 mode:Press the "half", "beep" sound buzzer, cut to a half-open mode, automatic operation, and maintain half-open execution ...