5V 8 Channel Optocoupler Relay Module High Low Trigger Expansion Board by Amazon.co.uk

• Operation Guide. The working voltage of the relay module has 5V, 12V, 24V to choose from. Power indicator (green), 8-way relay status indicator (red).

• Safe Design. Interface board optocoupler protection relay board even if the control line is disconnected, the relay will not act, to ensure your safety, please rest assured to use.

• Stable Performance. The optocoupler adopts patch optocoupler isolation, which has strong driving ability and stable performance. The trigger current is 5mA.

• Simple to Use. Each channel of the relay module can be triggered by jumpers to set high or low levels, with low energy consumption.

• Customer Service. We strive to provide you with the best quality products and the best customer experience, if you are not completely satisfied, please feel free to contact us.