I'm about to purchase a DVR for 4 cameras. However I'm thinking of getting an 8 channel for the 'option' of possibly adding an extra camera or two later.
I just want to get my head around is there any disadvantage in having just four cameras on a 8 channel, as apposed to a 4 channel DVR?
I just want to get my head around is there any disadvantage in having just four cameras on a 8 channel, as apposed to a 4 channel DVR?