Opening the door to an intruder is the last thing any homeowner wants to do. New technology lets a resident really see and evaluate the situation outside his door.Home security begins at the door. That’s where most home invasions occur simply because the door is opened to them.
While it is true a homeowner cannot keep someone out who’s intent on violating the sanctuary of the home, it is also is true that there’s no reason to open the door to trouble. The solution to this dilemma is to know who’s on the other side of a door before unlocking it.
A peephole is one way to accomplish this. To some people, a peephole dates from the “Roaring 20s” when a gangster would gain entry to a speakeasy by uttering a password through a 2-inch-by-3-inch grilled opening in a door after a covering flap was opened. This apparatus evolved into the small, round, glassed peephole that remains a popular feature today in the front doors of homes and apartments.
However, the simple device has been improved through advances in metallurgy, plastics and optics. Where a peephole once offered a blurry, distorted and narrow view of someone on the front stoop, it now can give an undistorted look at a subject as close as a few inches or as far as 7 feet from the door, even in dim light. Modern lenses give revealing panoramic views.
Still, if squinting through a small, glassed opening strikes you as inconvenient, a new generation of peephole technology is available. It features a digital unit that attaches directly to the inside of a door.
When someone knocks, a resident of a home can press a button and a full-color video image of the area outside the door pops up on a battery-powered LCD monitor screen. Screen sizes range from 2 ½ to 5 ½ inches – each of them readable with your eyes wide open. Furthermore, unlike a regular peephole that’s mounted at the eye level of the person who normally responds to the doorbell or knocking, the LCD screen can be viewed by persons tall and short.
A third door-security option is The visitor detecting and recording machine (Peephole Viewer 1330K) comes with the image recording function and knocking activated sensor. When your friends visit you make knock or push bell approach to your house, the knocking activated sensor will activate Peephole Viewer to record images. So even if you are not at home, you will know who ever came to your house! Brinno PeepHoleViewer 1330K only need to extra install knocking sensor in PHV1330 main body, it will automatically recording with knocking detection. It uses a camera catch image from original peephole and LCD Panel to display who is at your door. Detect sensor (KNS100) is an extension accessory for PeepHole Viewer (PHV1330), it allows PHV1330 records images when a visitor knock your door. So even if you are not at home, you will know who came to your door.
Last door-security option is The visitor recording machine (Peephole Viewer 1330M) comes with the image recording function and motion activated sensor. When people approach to your house, the motion activated sensor will activate Peephole Viewer to record images. So even if you are not at home, you will know who ever came to your house! Brinno PeepHoleViewer 1330M has two parts, one is camera and LCD display on door inside, another is detect sensor outside. It uses an camera catch image from original peephole and LCD Panel to display who is at your door. Detect sensor (MAS100) is an extension accessory for PeepHole Viewer (PHV1330), it allows PHV1330 records images when a visitor come close to your door. So even if you are not at home, you will know who came to your door.
Being able to identify a visitor from behind a closed door is a serious security upgrade.
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