swing arm gate opener gate motor 

Soft start and soft stop;
Emergency release key in case of power failure;
Dual/single gate running mode;
Adjustable opening/closing inteval between master and slave gate;
Stop/Reverse in case of obstruction during gate opening/closing;
Built in adjustable auto-close
Digital display indicates the running situation and setting menu;
Reliable electromagnetism limit for easy adjustment;  
Bulit in max Motor running time(MRT) adjustable for multiple safety protection