and high quality Protects your Ethernet device from the damage of & surge. Supports 10BaseT & 100BaseTX. Date transfer rate: 10M/100M. 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. Supports Ethernet card, Repeater, HUB, Switchboard, Router or other Ethernet devices. Note:Please install surge protector within 1 meter from device protected. The closer, the Better! Nominal voltage VN:5V Maximum continuous operating voltage UC:8V Nominal discharge current (8/20)IN:5KA Protection level UP:less than equal 45V Grounding method:Directly grounded through connecting wire Insertion loss AE:less than equal 0.5db Data transfer rate VS:100Mbps Port connection method:RJ45 Operating temperature range:-40℃ - +70℃ Colour:Gray Material:Metal Package Contents: 1 * Ethernet Surge Protector 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.