MrBigD

My DVR is broken(hikvision DS-7104hghi-F1) i Need help getting the data video recording on the hard drive without the DVR via the HDD box on the PC. Can anyone help me?

i'm tried and not thing difference (12v12A)

i’m install a camera TVI (2mp) on a tower crane to survellance worker, distance 140m use rg59 cable power supply(12V 1A) put near the DVR but video signal be electron noise and blurred. the cable has twisted a little. anyone have solution for this problem, help me Pls! (i intend to fix it with a balun but don’’t know is it work?)