It is designed to protect the video devices, with differential (symmetric) video signal transmission or Ethernet 10/100 network devices; Standard: AHD - 5 Mpx, HD-CVI - 8 Mpx 4K UHD, HD-TVI - 5 Mpx, CVBS - PAL / NTSC ; Threshold voltage (wire-wire): > 2.4 V ; Treshold voltage (wire / ground): > 18.4 V ; Maximum stroke current: 5 kA (8/20µs) ; Reaction time: 15 ns ; Number of channels: 8 ;