Description: Optocoupler Isolation: This 1 Channel 30A Relay Module features patch optocoupler isolation for strong driving ability and stable performance. Easily set to high or low level trigger for User-friendly Interface: With wiring terminals for direct connection, this 1 Channel Relay Module is convenient and easy to use. Suitable for various applications where large current support is needed Reliable Performance: The optocoupler isolation in this 30A Relay Module ensures reliable performance, making it for both high and low level triggering scenarios Convenient Wiring: All interfaces on this 1 Channel Relay Module can be connected directly through the wiring terminal, making installation a . Suitable for a variety of industrial and DIY projects Strong Driving Ability: This 1 Channel 30A Relay Module provides strong driving ability and stable performance, making it for applications requiring optocoupler isolation and high current support Specification: Color: green. Material: PCB. Size: Approx 11*6*5.5CM/4.33*2.36*2.17inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 1* Relay module (DIN rail version)