- 8-channel optocoupler relay module, designed for industrial applications and automation - Allows high or low level control, configurable via jumper for greater flexibility - 12V power supply, suitable for standard electrical systems - Optical isolation via chip-type optocoupler, ensures safety and stability - LED indicators: green for power, red for the status of each relay - Simple user interface, all connections accessible via terminals - Includes four mounting holes for secure panel installation - Fault tolerance: the relay remains inactive if the control line is disconnected - Trigger current of only 5mA, ideal for low-power systems - Robust solution for electrical load control, automation, and electronic projects