... capacity and durable than other motors6) make dimension of Automatic rolling door operator bracket system according to your request, brake ... ISO2000:2008OEM,ODMYESWARRANTY1 YEARAC MOTOR INCLUDEMOTOR,PUSH BUTTON,LOCK BOX,BRACKET SYSTEMAC MOTOR CONTROL SYSTEM20 PICS ONE CARTONAC MOTOR ... BACKUP BATTERY, BRACKET SYSTEMAC&DC MOTOR OPTIONALPUSH BUTTON,LOCK BOX, INFRARED SENSOR, ALARM SYSTEM.AC&DC MOTOR LOAD ...