4 Channel Relay Module 5V Trigger for Arduino

1 Double-sided PCB board is adopted, which has higher density, and the layout of the whole module is reasonable and beautiful. 2 The relay module has 4 channels and uses a 30A high-power relay to control the load. 3 Each channel is equipped with optocoupler isolation, which has strong anti-interference ability. 4 Each channel is provided with a relay switch LED indicating that the on and off is clearly visible. 5 The relay module is often used in automated control circuits, and plays the role of automatic adjustment, safety protection, and conversion circuit.

What's in the box
1 x Relay Module