1.RJ45 connection system - Can accommodate any standard RJ45 plug, widely used in audio, video, and optoelectronic networks. 2.Practicality and durability -- Its base design is based on industrial standard panel aperture, which can be suitable for various installation scenarios. 3.ergonomic design, easy to operate. 4.Provide grounding connection are available to choose. Colour:Black+Silver Material:Zinc Alloy Type: E: RJ45 waterproof socket (bent plug) Package Contents: 10x network interfaces 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.