Purchased unit in the fall of last 2016. Worked as advertised right out of the box. The smartphone app was not as user friendly as it should have been, figured it out. A month later, once it began to rain, one of the three cameras mounted outside on garage, under eve, and side of roofline to monitor the side of the house had water inside the lens. The other cam mounted unde the eve of the house began to show a snowy picture. Customer service response was quick. I returned the defective cams and they sent out replacements. Unfortunately, the instructions were vague and the replacement cams were a different model from the original two, so the power supply didn't work. They sent out replacement power supply's, but they too didn't work. I sent back the replacement cams and power cords. They sent me new cams and power cords ... full review
Perhaps the coolest feature of this system is its motion detection feature that allows you to create active zones, which alert you when the cameras detect motion within the zones. The Amcrest includes a 1 TB hard drive, which means you could have up to 30 days of recordings if you use motion detection or lower resolution settings. The highest resolution for this system is 960H and it records at 30fps (frames per second).
Organizations use CCTV to monitor the actions of workers. Every action is recorded as an information block with subtitles that explain the performed operation. This helps to track the actions of workers, especially when they are making critical financial transactions, such as correcting or cancelling of a sale, withdrawing money or altering personal information.
A 2007 report by the UK Information Commissioner's Office, highlighted the need for the public to be made more aware of the growing use of surveillance and the potential impact on civil liberties.[101][102] In the same year, a campaign group claimed the majority of CCTV cameras in the UK are operated illegally or are in breach of privacy guidelines.[103] In response, the Information Commissioner's Office rebutted the claim and added that any reported abuses of the Data Protection Act are swiftly investigated.[103] Even if there are some concerns arising from the use of CCTV such as involving privacy,[104] more commercial establishments are still installing CCTV systems in the UK. 

Your home is your castle, and needs to be defended—even if only from the threat of late-night visits from raccoons. Security cameras ensure that you know what’s happening on the home front at all times. HD resolution cameras, with color imaging, plus pan, tilt, and zoom features, will offer you the clearest view of your property from almost every angle. 
All of our systems come fully equipped to handle all of your remote viewing needs. No matter where you are in the world, as long as you have an internet or 3G/4G connection, you'll be able to view your video feed at any time you want. Additionally, we provide our customers with a full list of readily available options for viewing; whether you prefer to use your computer, tablet, or Smartphone.
There are two main styles of outdoor security cameras — dome or bullet. Both camera styles are fairly obvious to potential intruders, however, it is more difficult to determine which direction a dome-style camera is pointing, which may help deter a potential intruder. Another thing to keep in mind regarding camera style is whether you want to mount it on the ceiling or wall.
Saving uncompressed digital recordings takes up an enormous amount of hard drive space, and a few hours of uncompressed video could quickly fill up a hard drive. Holiday uncompressed recordings may look fine but one could not run uncompressed quality recordings on a continuous basis. Motion detection is therefore sometimes used as a work around solution to record in uncompressed quality.
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The combination of CCTV and facial recognition has been tried as a form of mass surveillance, but has been ineffective because of the low discriminating power of facial recognition technology and the very high number of false positives generated. This type of system has been proposed to compare faces at airports and seaports with those of suspected terrorists or other undesirable entrants.[citation needed]
Very pleased. After purchasing many brands, I can say that I am very happy that Zosi delivered a quality product. The price is unbelievable, because the camera housing is rock solid and the mounting positions are infinite using their brackets. I purchased a brand Elec and the limited views and cheap materials caused a few cameras to break. These were sturdy, easy to screw into the house siding/walls, and deliver a crisp picture thru the dvr into my tv where I hooked it up. I prefer the bullet style because they are easier to mount and seem to have a wider viewing angle. This dvr is simple to use and work instantly with a hard drive that I bought separately and stuck inside with the 2 easy connections (which are pre installed in this unit). Even the wires connecting the cameras to the dvr are of a higher quality than ... full review
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