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Needless to say, this is extremely convenient, since you may not want to be so close to the place you're monitoring. Each group differs from the other by means of function and size, although some features are shared by both groups. As the protector of your family you are expected to know the answers to such questions. It is great for use in stores, lobbies, gas stations and other public places. Practical solutions for covert installation also include Motion and Smoke Detector cameras, although they are absolutely not a substitute for your security alarm or fire protection. With crime on the rise in more areas than most of us would like to imagine, most are not aware of the many many ways one can use the current innovations in security to protect you and your family without spending a fortune. Here are just a few of the many gadgets out in the market today that will make you feel better about leaving your home or a loved one in the care of someone else in your home. Will you monitor the house 24/7? Or will you simply record using a time lapse VCR and then view the tapes after something happens. In some cases the use of cameras is inevitable. How Do Wireless Cameras Work? Most Bullet cameras, in comparison, do not offer high resolution and lens selection flexibility, but are likely to be weatherproof. The basic CCTV system can be divided into three components:

Even though CCTV cameras need light to pick up images and can't get a clear picture in the dark, that's not a problem if you have an infrared illuminator. By flooding the area with invisible infrared light, IR illuminators let you keep an eye on intruders who mistakenly think nighttime is the right time to break in. Also, wireless internet enables many modern wireless cameras to send images by email, so you can check on the camera from just about any computer.

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For larger rooms or longer distances, cameras with 6mm or higher lenses may be required. In this case, you can install a 'nanny camera' in the bedroom. It is also a good idea to use plans or blueprints of your house; you can mark locations and measure distances more accurately this way. There are three main types of IR illuminators: diodes, lamps, and lasers. Diodes are small, inexpensive, and good for short-range illumination. They also require relatively little power to operate. Infrared lamps are more expensive to buy and maintain, but they can operate at greater distances and are often better for facial identification. Lasers are excellent for long-range image clarity, even in inclement weather, but they're big, expensive, and potentially harmful to the eye if not handled correctly-which is why they're usually only reserved for military use. It allows you to save special events you have recorded and edit them easily. Cables and wiring What about the new Nanny we hired? many important features, like lens control output, Back Light Compensation and many more. When choosing a camera you'll have to consider two more aspects: the viewable image size and your preference of B/W or color. 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.

The most popular examples of covert board cameras are smoke detector and motion detector cameras. For example: the average security camera image size is 1/3". This size provides a good enough image quality.

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