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I am glad I purchased this product. Installation was relatively easy when using the step by step videos at Defender-usa.com (one small installation basics page was included in the package, but definitely not enough information). All needed cords were included. Camera power cords were surprisingly long enough, but ethernet and HDMI cords for the DVR were barely long enough especially for a wall mounted TV. Account set up on the TV was simple, but online, not simple. The main difficulty was Defender does NOT support the Google Chrome browser. This is all I use and very annoying the tech department hasn't worked this out yet. I've uploaded the mobile app and it seems to work well, but trying to login using safari (which is supported) on a mobile device does not work at all. I've reported this, so hopefully the company will correct it quickly. All in all, we are happy with the camera system and would recommend it to any business or residence.
This review is from Defender - 4-Channel, 2-Camera Indoor/Outdoor Wireless 1080p 1TB DVR Security System
Posted by Sanderella
Bought these for my business. Little tricky setting up the DVR, but it works great in my little shop. Have one pointed outside, one at front door and one at back door. Covers every angle. Picture is good.
Posted by jstaff
Tried and returned 2 other brand's similar 4-camera wireless systems. Found Defender's offered best afterdark image quality. Daylight images were sharp with vivid natural color. Overall, system was easy to setup and use, if you have electrical receptacles near where you want to place your cameras. Only detractor was I could not view recordings via the Internet using a HP Stream 7 tablet with Win10 OS. I suspect the tablet was unable to handle a 1080p resolution video stream (my guess). Experienced the same issue with my Lorex system. Remote viewing would be nice, but not that important for my purposes.
This review is from Defender - 4-Channel, 4-Camera Indoor/Outdoor Wireless 1080p 1TB DVR Security System - Black/white
Posted by Bill2009
Customers are satisfied with the picture quality, easy setup, and price of the 4-Channel, 3-Camera Wireless 1TB DVR Surveillance System. Customers rave about the excellent picture quality and the night vision capabilities of the cameras. They also appreciate how easy it is to set up and use the system. While some customers have mentioned that the cords are short, the overall consensus is that this is a great camera for the price.