American DJ ADJ SC-8 II System 8 Ch Low Voltage Switch Controller w/ Relay Pack EFFECT LIGHT MANUAL CONTROLLER SYSTEM INCLUDES AN 8 CHANNEL ON/OFF OR FLASH CONTROLLER, 8 CH RELAY PACK AND LOW VOLTAGE CABLE O RUN BETWEEN THE TWO Effect light manual controller System includes an 8 channel on/off or flash controller, 8 channel relay pack and low voltage cable or run between the two