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This solderless RJ45 male to 4-pin screw terminal adapter features 1234 core pin assignment, easily converting RJ45 network interface into accessible screw terminals. It enables quick wire access without soldering, greatly simplifying weak current wiring, signal extension and circuit renovation. The reinforced screw locking structure ensures reliable connection and effectively prevents poor contact or signal interruption. Small in size and easy to install, it provides excellent anti-interference performance. Ideal for surveillance cameras, access control systems, industrial equipment and various low-voltage signal connection scenarios.