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- This is a 5V 4-channel Relay module with opto coupler is perfect for controlling up to 4 devices with a larger current.
- The optocouplers are used to Transfer the signals between two galvanically - isolated circuits, for example, circles. Your Arduino and your connected device with a larger current.
- Operating voltage: 5V
- Switching voltage: 10A 250VAC
- Dimensions: LWH: approx. 76mm x 56mm x 19mm