Description: 2 in 1 Multi-function arrester protection surge protector device. Power supply signal protector and video signal protector for CCTV camera. Precisely monitor them from over-voltage sensing, overvoltage and electrostatic discharge Damage caused. Mulit-level protection, flow capacity, low clampling voltage, fast response time, low insertion loss, transmission rate advantages. Special maintenance is not needed for the protection device; please replace immediately in case of damage by high voltage or 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. Specification: Material: Aluminium Alloy Size:105*65*20mm/4.13*2.26*0.79inch Model: SP-502VP-2/PW Video: impedance=75? Power:12~220V Isn=5KA Imac=10ka Package Includes: 1 Piece 2 in 1 Power Supply & Video Protector Device. 1 Piece User Manual