Product Name: Surge Protection Device; Connection Type: RJ45; Nominal Surge Current (Isn): 5 KA Max. Surge Current (I): 10 KA; Data Transfer Rate: 100MHz Cable Length: 26 cm/10.2"; Dimensions: 7.9 x 2.5 x 2.5 cm/3.1" x 1" x 1" (L*B*H) Main Color: Black, Silver; Material: Aluminum, Plastic Net Weight: 70g Protects your Ethernet device from damage and surges. Used to protect coaxial data transfer of network communication systems, such as computer network systems, repeater, switch, router, and other Ethernet devices. Easy to install. Install between Ethernet and the device first, "IN" end is for input and "OUT" end is for output to the device, then connect the grounding wire properly and straight. Package Includes: 1 x Surge Protection Device Note: Bright and different screens may cause slight color differences between the item in the picture and the actual product. The allowed measurement tolerance is +/- 1-3 cm.