To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
I have already got 3tb surveillance that took 5 week to nearly fill up and I installed a 4tb surveillance and it filled up in about a week and a half.running the same cameras.very strange.other than that it is OK.. install was easy to cctv unit..
Misled on product on amazon website, claiming that a newer model was available for a bit more money, when in fact there is no newer model as I found out after paying the extra money. Amazon should be ashamed of themselves misselling products.