Description: 3 in 1 Multi-function thunder & lightning arrester protection surge protector device. Power supply signal protector + video signal protector + RS485 data 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. 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: metal Size: 105*65*25mm/4.13*2.56*0.98inch Material: Aluminium Alloy Insert Loss: 0.3dB Response Time: