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▶【Indicator】:Power indicator light (green), 8-way relay status indicator (red). ▶【Meet different needs】:The working voltage of the module is 5V, 12V, 24V for your choice. ▶【Easy to operate】:Each module path can be triggered high or low via a jumper setting.All interfaces can be directly connected through the terminal lead. ▶【Fault tolerant design】: The trigger current is 5mA, even if the control line breaks, the relay will not move. ▶【High quality material】:Adopt patch optocoupler isolation, strong driving ability, stable performance.