![]() ![]() Using this device you can get information about people who were near your threshold. The image can be transmitted either on demand or permanently, in real time. ![]() This device with a built-in small sized camera transfers the image to a monitor or TV. The image is obtained through a system of mirrors placed inside the casing.ĭigital door viewer. This type of device includes the eyepiece and the objective lens located at different levels. Peephole periscope is popular among people with disabilities and families with children. It consists of a microscopic video camera mounted on an external door and a receiving device installed inside a house or apartment.Ī bulletproof peephole helps to add more safety, and usually used in specialized doors. Hidden peephole viewer usually looks like part of the finishing and trimming. The fisheye lens allows getting a wide-ranging picture of what is happening in front of the door. The wide angle projection viewer is a modern optical instrument with a wide angle of view. However, such a model is easy to install and has a small price. You are unlikely to see a person who is next to the door, and not in front of it. Standard front door viewer is the simplest option that has a significant drawback - a small viewing angle. Otherwise, the incorrectly selected product will reduce the viewing angle and provide a poor visibility of people and objects.īecause this small device is considered an integral part of the door, their assortment in the modern market is large. When buying non-standard peep hole for entry door pay special attention to optical characteristics. Remember that if you insulate the leaf, then the standard length of the viewers may be not enough. The most popular, standard viewers are suitable for most modern doors made of wood or metal.
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