Features: Unleash the full potential of your high power applications with our 4 Channel High Power Relays Module, suitable for any serious computer enthusiasts. Crafted from PCB, this relays module ensures reliable performances, making it essential component for your computer and office hardware needs. Suitable for both hobbyists and professional developers, this Relays module is cater to both male and female users who demand efficiency in their projects. Whether you're automating your home or constructing complex robotics, this 4 channel Relays provides the control you need for various scenario, from simple light switches to intricate machinery operations. Our Relays module integrates seamlessly into your existing setup, offering a straightforward solution for managing multiple high power connections. Specifications: Component:PCB Size:Approx.3x7cm/2.75x1.18inch Package Includes: 1Pc Relays Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.