... make dimension of Shutter motor bracket system according to your request, brake system build in the bracket system7.we could ... ,PUSH BUTTON,LOCK BOX,BRACKET SYSTEMAC MOTOR CONTROL SYSTEM20 PICS ONE CARTONAC MOTOR OPTIONALREMOTE CONTROL SYSTEM FOR DIFFERENT FUNCTIONAC ... , BRACKET SYSTEMAC&DC MOTOR OPTIONALPUSH BUTTON,LOCK BOX, INFRARED SENSOR, ALARM SYSTEM.AC&DC MOTOR LOAD CAPACITY420-450 SETS FOR ...