There are literally dozens of comapnies that sell DVR security cameras. Amazon.com, and Sam's club are probably the biggest.
Cheap DVR surveillance systems can be purchased from Amazon and a wide range of electronics retailers such as Maplin's, Currys and PC World. There are a large number of online retailers also offering these systems.
Some very good dvr security cameras is mirco dome and armor dome camera. These new cameras are very good for security and take up less space for more viewing areas.
An eight camera DVR is a security system with eight cameras. It records activity to a DVR so that you can watch it later. http://www.cctvhotdeals.com/complete-security-kits/8-channel-dvr-system/8-ch-video-surveillance-dvr-camera-security-system-500gb.html
There are a variety of things a CCTV DVR can do. They have the ability to save home security video and audio to a hard drive. You also have the ability to save footage from a number of security cameras on one CCTV DVR.
Both Walmart and Sam's Club have reasonable prices on DVR security cameras. You can also find them on amazon, best buy and sears. Finally, ebay also has a large selection but it is often difficult to understand what you get for your money.
A TiVo DVR is $300 (not including subscription to the service). Security cameras range from $200 to $500.
DVR cards are created espcecially to monitor CCTV security. It is part of computer component. The DVR card goes to the computer system and then it is possible to connect many cameras.
If you are connecting to a Remote PC or DVR recorder with security cameras connected to it then you would need to know the IP address of the DVR location. After you figure out the IP address for your security cameras you would need to login to the router at the security cameras location and forward the Port Number. Feel free to email me at herbiethehelper@911securitycameras.com http://www.911securitycameras.com
Night vision is becoming a standard feature on security cameras. Many people use these to observe wildlife in their yards at night and these systems are basically no more expensive than systems without it.
Many of the newer CCTV DVRs have IP network capabilities. If where the DVR and cameras are located has a LAN and the DVR connnected to it and supports the cameras being viewed live, and the recorded video can be accessed for review and in some cases copied from the DVR to an external storage device. Many DVR systems also have ability, with an app, to be accessed with a smart cell phone. Of course all of this is through a secured connection requiring a login.
Wireless security cameras do not have wires. They transmit the video to the DVR or monitor. Nothing should be blocking the line of sight from the camera to the monitor, otherwise it will not work.
There are a range of prices for DVR security cameras being sold online. On the Google Products website, the least expensive ones cost around $40, and the most expensive ones cost around $200.