brand new & high quality. Features: Precisely monitor them from over-voltage sensing, overvoltage and electrostatic discharge Damage caused. Take place through the special treatment to avoid signal interference single network SPD Mulit-level for protection, flow capacity, low clampling voltage, fast response for time, low insertion loss, transmission rate advantages. Special maintenance is not needed for the for protection device; please replace immediately in for case of damage by high voltage or for lightning. Protectors have input (IN), output(OUT) mark, output terminal and protected, donnot connect the device to connect. Otherwise it will cause the protector the damage. 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. Only support network RJ45 monitoring device camera. Specifications: Material:Aluminium Alloy Color:As the pictures Show Power:0~220V Isn=5KA Imax=10KA Quantity: 1Pc Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you 4.No retail package Package includes: 1Pc x Surge Protector (other accessories demo in the picture are not included)