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Professional type cameras with C/CS mount lens attachments generally offer the best performance. Coaxial cables will require BNC connectors and proper installation by experienced technicians. The plug and play cables are easy enough to install by non-experienced users. useful when monitoring is required in different locations through the Internet or network. The downside of wireless cameras is the need to replace or recharge their batteries every once in a while. A camera, a monitor and a time lapse recording mechanism (usually made in VCR or DVR formats). The distance from the monitoring object to the camera is not an issue here, that is why the ability to select different lenses, based on camera location is so important. A standard resolution camera may have 350-380 lines, over 400 TV Lines is generally considered good resolution while over 500 TV lines is considered high resolution. For instance: a camera's night vision can be improved by adding an infrared illuminator under the camera bracket. Bullet cameras usually come with 3.6mm lenses witch are considered to be suitable for most standard installations (good for covering small to medium size rooms or equivalent).
Most bullet cameras are weatherproof and sealed without the ability to use different lenses. The receiver's output can be stored in a VCR, DVR or viewed in real time on a TV or computer monitor.
With this in mind, investing in the highest quality and performance cameras and purchasing performance recorders. from an economical and practical standpoint. Of course, WCCTV cameras aren't cheap (they range anywhere from about $50 to over $600), but considering the money you save on installation and maintenance-not to mention the quality and convenience of long-distance wireless surveillance-a wireless camera is well worth the investment. An IR-illuminator is a device that emits infrared light-low frequency electromagnetic radiation that's outside the visible spectrum. In other words, it gives off light that a camera can pick up and use, but that a person can't see-so while it's still dark to the human eye, the camera can see just fine. Also check the camera's sensitivity to light. They are easy to install and are usually a bargain when compared with the peace of mind you gain by installing them. Another idea is to put a security yard sign informing that the house is monitored around the clock. Hidden Cameras video is also stored on hard drive in digital format. Most bullet cameras are weatherproof and sealed without the ability to use different lenses. Of course there are. But the trouble with non-wireless, or fixed, security cameras is that they require expensive cabling and valuable time and energy to install-and then, after all that effort, they're stuck in one place.
There are two major types of digital recorders on the market right now. Standalone Systems