This is a 4-Channel 5V Relay Board Module with Optocoupler IC and NO, NC & COM Output Terminals. It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc., with a High Voltage handling capacity of 220V AC with full protection. The input Signal Pin is connected to the Burg stick for easy accessibility & LED Status indicators to indicate the relay ON/OFF status with Mounting holes provided for easy mounting.
(Note: Product Image are shown for illustrative purposes only and may different from the actual product)