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They are considered to be the most flexible and are widely used by professionals for commercial installations. How Do Infrared Illuminators Work? Security Gadgets to Protect Yourself and Your Family Just as in digital cameras and computer monitors, resolution refers to the quality or the sharpness of the picture you'll receive. A camera located in a semi-public area such as your front porch can be put in a vandal resistant dome for protection. Infrared technology is simply LED light in infrared spectrum (not visible to the human eye). This article reviews camera and monitor types as means of providing protection and household safety. 2.4 GHz Wireless Security CameraThat's very nice, you say, but what's wrong with regular surveillance cameras? Selecting the right surveillance cameras 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.

It can be your new alarm clock or pillow, but not a teddy bear (unless of course furry stuffed animals are a common sight in your bedroom). The camera kits vary depending on their use. Some camera kits can be used on a computer, taking advantage of its monitor and memory.

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The maximum distance the receiver can be from the camera depends on its transmission capability. The larger the number of TV lines, the better the resolution and hence, overall picture quality. Wireless Surveillance Cameras PC Based CCTV Systems Security Gadgets to Protect Yourself and Your Family You could also mix-in a number of dummy cameras as part of your security arrangement. Another idea is to put a security yard sign informing that the house is monitored around the clock. Also, the signal from a fixed camera deteriorates over long distances-so not only are the cameras stuck in one place. Receivers can easily penetrate brick walls, glass windows and other materials depending, of course, on their ability and strength. Also check the camera's sensitivity to light.

What about the new Nanny we hired? As a rule of thumb, the larger the size, the higher the quality of the image produced and the higher the price.

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