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Audio and video entry systems are a very good way of dealing with unwanted visitors without having to open the door, or to greet bona fide visitors and let them in at the touch of a button. A video system will allow the user to visually verify any visitors. All of the systems are compatible with card or keypad access, automatic gates and barriers. The video system may also be used in conjunction with a digital recorder, effectively giving the user a picture of anyone who approaches the door. For larger systems the panel at the front door can be connected to a telephone line and make use of users standard telephone. This system will eliminate all unsightly and costly wiring and will allow the use of cordless telephones.
