Peephole door with a video camera and motion sensor, with

The video peep hole with recording is an improved version of the viewing device, which is called the "peephole", which allows to observe what is happening outside the room. The peephole door with a video camera and a motion sensor allows you to monitor the territory adjacent to the house, giving the image to a monitor placed inside the room. With the views and features of structures offers to read the article.

Purpose

The video peephole for the door is used for video control of the guests, photo and video recording, covert surveillance of the area, recording and storing the received information in the device's memory.

Depending on the modification, this video peephole can perform a large number of useful functions:

• Notify the owner of the house with a sound signal about the arrival of guests.

• Photograph or produce video recording of visitors.

• Save photos and video in the device.
• The ability to view them, copy if necessary.

• Monitoring the visitors and the situation around the front door in real time.

• The ability to view visitors' records, performed in the absence of the owner of the dwelling.
• Produce infrared illumination shooting in low light or lack of it.
• Negotiate between the owner of the house and the visitor through the audio channel.
• Playing voicemail messages.

Additionally, a video peephole having a recording function and a motion sensor can perform:

• Automatic activation of the recording when unauthorized persons appear near the entrance door.
• The inclusion of an alarm for a certain time when strangers are at the door.

A device equipped with a GSM module may additionally:

• Notify the arrival of visitors by sending MMS or SMS messages to a cell phone, tablet or smartphone.

• Perform remote video surveillance of visitors and the situation at the front door in the online mode on the screen of the GSM device.
• To negotiate between the owner of the house and the visitor via cellular communication.
• Automatically transmit MMS or SMS messages to the host's mobile phone when strangers appear at the door, via a motion sensor signal.
• Remotely control the video eye.
• There are models of devices that allow you to connect a standard TV or computer monitor for video surveillance and viewing of recordings.

Advantages and disadvantages of the peephole:

Video peephole design

The product includes such elements:

• External module. This is the device that hosts:

1. microphone;
2. video camera;
3. infrared illumination;
4. speaker;
5. Motion Sensor;
6. call button.

It is impossible to mask such a module as an ordinary optical one, so visitors are aware of its wide functionality.

• Metal shockproof casehaving anti-vandal coating.

In the door leaf, when installing a video-eye, you will need to drill additional holes for fasteners.

On the image:

• 1 - infrared sensor that detects movement.
• 2 - speaker.
• 3 - video camera.
• 4 - the element that determines the level of illumination of the area at the entrance door.
• 5 — call button.
• 6 - microphone.
• 7 - infrared LED lights.

Tip: It should be borne in mind that in low light conditions, the camera of the video peephole will work in black and white.

Overview of door designs

Video eyes can be classified by several parameters.

According to the type of matrix, they can be:

• Black and white. The price of such a device is the most affordable, which makes it the most used, but such devices have less working functions.
• Colored. Often they are combined with other systems, such as: video surveillance, security.

According to the connection scheme:

• Wireless video peepholes with a monitor. During installation and maintenance this is the easiest option.

• Wire performance.

According to the type of camera used:

• Packaged device. This is a compact product, but for its installation a sufficiently large bore diameter is required.
• Cabinet model. Its feature is the possibility of installation even on the front door, located on the street. The design provides its thermal insulation.
• The chamber is cylindrical. It has a rather long length, which makes it protrude beyond the limits of the door leaf.

Other options:

• The door video peephole with recording capability provides image acquisition even in the absence of the owner.
• Model with a monitor. It has a simple set of functions - observation by image.
• Device with motion sensor. There is no need to be at the door. About the arrival of visitors reports built-in motion sensor.

Criterias of choice

There are many parameters that must be considered when choosing a particular model.

Sample product selection instructions include:

• Using a monitor with a resolution of at least 500 TV lines.
• The use of removable batteries, which will provide automatic recharging.
• The device must have a network adapter as standard.
• The battery capacity should guarantee the operation of the device within 24 hours from the moment of power outage.
• The camcorder must have the following parameters:

1. screen resolution of at least 1.2 megapixels;
2. sensitivity of 0.01 Lux, with the presence of infrared illumination and a special function of the transition to night mode;
3. backlit shooting distance of at least 10 meters.

• Maintainability module. This is the most susceptible element of vandal manifestations.

To choose the right eye with a video camera is to get acquainted with the video in this article.

Most popular devices

Depending on the functionality, the cost of the devices is also determined.

The most popular models of video peepholes are presented in the table:

Video eye model	Special features
	This is an expensive, but very functional version of the video eye. The device has a color screen, the ability to record, IR illumination, send MMS-messages to the owner. The model is powered by a battery, can support TF media up to 32 GB.
	At cost, this is a more affordable analogue of a video eye, complete with a motion sensor. When receiving data, they will be stored on the microSD memory card. The model begins to record what is happening behind the door when you press the bell, and when the detector detects the movement of a visitor until the latter takes any action. The device complete with the monitor will send to the owner of MMS, and will make a call on his cell phone.
	Records and takes a photo, the data is stored on a microSD card. But in this design, the viewing angle is insufficient and amounts to only 78 °, which does not allow covering the whole territory in front of the door, but it is sufficient to obtain a detailed image of a person standing directly in front of the eye. Video peephole wireless monitor is equipped with its own battery. In this case, there is no need to connect to the eye of a complex system of wires.
	Power is supplied to the device from the battery. The screen with a size of 3.5 inches, with a maximum resolution of 480? 320. The image is recorded on the microSD 4 GB. The device can be installed on the door, the thickness of which is within 35-105 millimeters. For installation requires a technological hole with a diameter of 15-58 millimeters. The GSM module has a device for transmitting urgent messages.
	From the battery can work in standby mode up to 120 hours, and shooting 3 hours. The signal can be transmitted over a distance of 200 meters, provided the line-of-sight frequency 2.4GHz. Camera with a resolution of 3Mp. Up to three external monitors can be connected to the device. The external module from metal with a class of protection ip66. Panoramic angle of 120 °.
	The screen size is 2.8 inches, the highest resolution is 640x480. MicroSD recording device 4 GB. The thickness of the door leaf can be 10-100 millimeters. The diameter of the hole for installing the eye of 14-40 millimeters.

The door video peephole with recording and motion sensor makes a person's life much more comfortable. In this case, you can easily control everything that happens near the entrance door of the object, and it is not necessary to be inside the room.