I have it hooked up to a 8 channel power distribution that supplies 4 amp. It goes out at night and during the day it doesn't come back one. The camera stays black screen. The run to the camera is no longer that 75 feet. If you think is power what kind of power supply do you think I need?
Some CVI cameras can require 1 AMP. It will depend on how many cameras you plan on powering.
12v 1 Amp:
The 16 Channel has 10 Amps:
This is an excellent CVI box as it can provide 18 Channel 20 Amps: