Protects your Ethernet device from damage caused by lightning and surges. Used to protect the coaxial data transmission in a network communication circuit system, such as a network communication system, a repeater, a control panel, a display, and other Ethernet devices. Easy to install. First, install between the Ethernet and the protected device, with the \"IN\" end as the input and the \"OUT\" end as the output to the protected device, and then ground it correctly and straight. Product Name: Surge Protector Connector Type: RJ45 Nominal Discharge Current (Isn): 5 KA Max. Discharge Current (I): 10 KA Data Transfer Rate: 100 MHz Length: 26 cm Dimension: 7.9 x 2.5 x 2.5 cm / 3.1 inch x 1 inch x 1 inch (L * W * H) Color: Black, Silver Tone Material: Aluminum, Plastic Net Weight: 70g Package Content: 1 x Surge Protector Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.