ITEM NAME:Ethernet Lan 10/100M RJ45 Surge Protector for Thunder & Lightning Protector Description: - Easy to install. Install between Ethernet and the protected device. - Protects your Ethernet device from the damage of lightning & surge. - Connectors: RJ-45 Female to Female , just plug cable in and ground device. - "IN" end is for input and "OUT" end is for output to the protected device, then set ground wire well and straight. - Application with Single video, RS485 data , DC 12 Power , DC/AC24V Power , 220VPower Supply, Telephone, Network. Specification: - Connectors: RJ-45 - Dimensions: 75×35×25mm Package Included: 1 Piece Ethernet RJ-45 Lightning Surge Protection Device..1 Piece Ethernet RJ-45 Lightning Surge Protection Device. - Easy to install. Install between Ethernet and the protected device. - "IN" end is for input and "OUT" end is for output to the protected device, then set ground wire well and straight.