The Ethernet Protector offer four way protections, safeguarding multiple networking lines simultaneously, for connecting several devices efficiently. Featuring rapid voltages suppression and robusts transients overvoltage handling, this device ensures your equipment remain safe from sudden electrical spikes. Designs for IT professional, networking administrators, and enthusiasts who require reliability networking protections. for use in data centers, office environment, and home networking where space saving and efficient wiring is essential. With its plugs and play installation and metal designs, this protector seamlessly integrates into any setups while supporting IEEE802.3af/at standards for smooth functionality. Color: Gray Material: Aluminum Alloy Package Contents: 1 x Network -arrester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.