... switch, loop detector, back-up battery, toll gate system and output terminals for lamp.Automatic road barrier operator-- Road barrier C -- Features ... Industrial Area, Lishui Town, Nanhai District, Foshan, Guangdong, ChinaMP:+86-13434898757FAX:+86-757-89962023TEL IN CHINA:400-686-9987 Fashionable automatic barrier gate ...