Kit#: QK81
PLC KIT – CONTROLL 8 DEVICES BY PC INTERFACING :

Control electrical appliances using PC. Communicate with the real world via the parallel printer port on your PC. Simply connect printer cable from computer to Centronics connector on relay board. There are 8 relays each capable of switching 12VDC/10A or 240VAC/5A. Each relay has an LED to indicate when it is operated.