Door video systems and intercoms

There’s nothing we trust more than the things we see with our own eyes, meaning door video systems are the best way of knowing who’s at your door and who is allowed to come in. Video intercoms or door video systems are stand-alone intercom systems used to manage calls made by someone at the entrance to a building (whether it’s a complex of residences, a detached home or a workplace) allowing access to be controlled through audiovisual communication between those on the inside and those on the outside. The key feature of a door video system is that it allows some indoors to identify the visitor, and if and only if they want, to engage in conversation with him/her and/or open the door to allow the caller in.

Door video systems consist of an external and internal unit: an external screen outdoors, an electronic lock and an internal screen. The external screen or panel on the street is installed close to the front door or gate, incorporates a range of elements and is ready to use in all weathers. There are also one or more buttons to help make a call (usually to a home or apartment), a small camera with night vision mode so that it can capture the image of callers even at night, a microphone to capture the voice and a speaker to reproduce the voice of the person indoors. A door video system can also feature a button to call homes or offices, and a camera to capture the street view. The video screen upstairs allows the resident to see the caller, to talk to him/her and open the door if he/she so chooses. The indoor unit consists of a screen (IP camera) showing the face of the caller, a microphone, a handset to enable conversation and a button to unlock the door.

Variations on that basic model of a door video system are available. In addition to the external screen with a button for each apartment, you can also find systems that have a number pad: systems like this are designed for large residential complexes, where homes are identified by individual codes. Others have card readers or even small screens to guide the user or facilitate entry for the disabled. Some entry screens also have a handset similar to that on a phone whereas others are with speakers. Other examples have built-in memory that stores the image every time someone calls from the door or have touch screens.

When a visitor presses one of the external buttons on the panel, the built-in camera which is connected to it is activated and the image captured outdoors appears on screen. The connection is automatic without the user having to activate the equipment; and that’s one of the key features of door video systems. At that point the person inside the build can open the door, if he so chooses, to start talking to the caller. Normally that conversation is private in the sense that other users of the same system cannot hear the conversation. The equipment also automatically disconnects after use. Systems like these operate using low voltage power supplied from the building’s central network. Because you have full control over who enters your premises using the door video system that we choose together to meet your needs, you have every reason to feel safe in the hands of the Lysi Security team.