【Material】 : The RJ45 interface card buckle consists of a plastic buckle cap, which is firmly inserted into the RJ45 interface with a special insert key. Dust-proof, moisture-proof, waterproof and anti-oxidation, professional design, precision grinding. | 【 Protect Your Network Equipment 】: The RJ45 dust guard can be installed in any standard RJ45/LAN slot to lock unused RJ45 ports and prevent unauthorized access. The RJ45 port shield quickly shields open network ports, preventing unauthorized connection of cables, devices, or insertion of foreign bodies. | 【RJ45 Interface Dust Plug】Lock port blockers that address the security risks of open ports in the first place. PortBlocker is a patented solution that prevents unauthorized port access and security vulnerabilities | 【Tip】:RJ45 port blockers only serve as basic physical and visual deterrence and do not deter determined attackers. It does not prevent a determined attacker from gaining physical access to the RJ45 port. It can also be used as a visual cue to display inactive or disconnected ports. | 【Application Scope】: Data center, medical center, financial center, education center, government/military, retail store, airport/train station, etc., suitable for laptop, router, switch, industrial computer, etc.