Parameter: Connector: RJ45 8P8C, Connector Type: RJ45 Cable Type: Ethernet Compatible Devices Shell: ABS Color: black/white/green/blue/red Body size: 36mm x 21mm x 20mm / 1.5" x 0.8" x 0.8" (L*W*H) Quantity: 5pcs Package Included: 5 PCS *RJ45 coupler Note: 1.Please allow slight size deviations due to manual measurement,measuring methods and tools. 2.The picture may not reflect the actual color of the item because of different photographing light and display monitor.Thanks for your understanding. The RJ45 extender is ideal for extending the Ethernet connection by connecting two short network cables together. Very suitable to help you solve the problem that the network cable is not long enough. Simple to use, plug and play, no driver required. 8-core pure copper gold-plated conductor, stable signal transmission, superior contact and transmission performance, providing a strong guarantee for high-speed data transmission. These network couplers comply with Class 6 performance, they have passed TIA/EIA 568-C.2 verification, FCC, RoHS compliance. The Cat5e coupler has gold-plated contacts and simple snap-in retaining clips to ensure a safe and corrosion-free connection. The female-to-female Ethernet coupler jack is compatible with Cat7, Cat6, Cat5e, and Cat5 networks.