Mp4 files easily exploitable, and impressive opening angle, multiple cameras simultaneously on a single receiver is top .By cons, do not opt for wireless solutions because the high flow during scenes with lots of movement that. That plant miserably .. (it's wifi, but it is not so plain to see / diagnose, especially for novices). Small problem: When fast movements of people is unclear, even when the brightness is low. System easily installable and usable for non-experts.
