Protects your Ethernet device from the damage of and surge.Used to protect the coaxial data transmission of network communication circuit system, such as computer network communicationsystem, repeater, switchboard, rounter and other ethernet devices.Easy to install.Install between Ethernet and the protected device first, "IN" end is for input and "OUT" end is for output to the protected device, then set ground wire well and straight.Product Name : Surge Protector ArresterConnector Type : RJ45Rated Discharge Current (Isn) : 5 KAMax. Discharge Current(I) : 10 KAData Transfer Rate : 100MHzWire Length : 26cm/10.2inchDimension : 7.9 x 2.5 x 2.5cm/3.1inch x 1inch x 1inch (L*W*H)Color : Black, Silver ToneMaterial : Aluminum, PlasticNet Weight : 70gPackage Content: 1 x Surge Protector ArresterNote: Light 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.