Whatever you get, spend the $$ on high quality cameras. the ones my system came with initially weren't that great. Not sure of the specs, on the new ones, but at night, its like daytime and clear as a bell. I have certain ones set to record 24/7, the others are motion detected. They are all very visible but have a few in "stealth mode"

I can access the system anytime from a remote comp or my phone. The alerts do get annoying at times though...
Between those and the three dogs. Its made me feel a lot safer.
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