Videoglazok to the front door: types, device models, the installation of

Whoever came up with a peephole installed in door leafHe made an invaluable service to the people. Today, this device has received a new impetus in terms of structural changes. It is now not just a cylinder, in which the two lenses are inserted is a video camera with a display that has a greater opportunity. Therefore, in this article, we consider what videoglazok for the front door, which models offer manufacturers, and how you can simply install it with their hands, without causing the master.

What it is

The question of whether to change the normal eye on the video unit, is not worth it in many families. Safety is paramount, and the acquisition of interphone - a serious investment. A peephole camera mounted on the front door, it is worth many times cheaper. So, why not save money, in return for enough reliable and functional device?

In addition, manufacturers offer videoglazki different versions with advanced features. For example, this device CCTVAnd part of the signaling system. The most simple - a video surveillance and photographing visitors at the door. But the bulk of the video unit has the following features:

1. Guest review.
2. Covert surveillance of the landing.
3. Videotaping or photographing of visitors.
4. Turning on the camera in automatic mode, when the door to someone suitable.
5. There is an opportunity to talk with visitors without opening the door.
6. Answering machine.

The coolest model - it GSM-devicesWhich completely ensure the safety of the apartment or house and keeping in touch with the owner through any Internet channel.

Advantages and disadvantages of videoglazki

Types videoglazki and video calls at the door to the apartment

There are three main categories, which are selected videoglazki:

1. Wired or wireless.
2. Analog or digital.
3. Black-and-white or color. This refers to the image displayed on the display.

Wired videoglazok to the front door

Many experts agree that it is wireless models are most reliable. Because they have a simple structure consisting of two main parts:

• a cylindrical tube, made of metal, where the objective lens is inserted;
• a display chamber (It can be black and white or color).

Tube size is exactly the same as a normal eye, so there is no need to drill a new hole when replacing. He placed it freely and fixed on the inner side door leaf clamping nut.

His name got wired devices because between them the two parts are connected by wires. Usually, their design videoglazki two - one for feeding, and the second - to transmit from the lens to the signal recording device. In some models, in which the food - it's not the adapter and battery, use only one cable, transmitting the image signal.

There are categories of wired models multifunction devices. They are equipped with a microphone, speaker and infrared illumination to clearly display images in the dark. Thus it is quite small size videoglazki display which is installed on the back side of the door leaf directly up against the tube. Inside the compact device manufacturers have a recorder that records the image in a photo or video.

Some models work only after pressing the button located on the inside of the screen plane. Others included after a certain time programmed by the processor. Third start shooting the signal of the motion sensor. That is, a variety of models is so huge that there is always an opportunity to choose the one that fits the demands of the consumer.

As for the power supply, there are three options: battery, battery and adapter through socket. In the first two there is a big disadvantage - reduced operating time, because videoglazok mounted on the front door- it is a great power consumption for filming, lighting and rabotku motion sensor.

Wireless videoglazki

Wireless videoglazok for the front door is so called simply because between the two parts of the device, and a video camera complete with a microphone and a radio device and review the device with a display and a memory card, nothing is not in terms of connecting devices. Therefore, the eye itself with the camera is installed in the door leaf as usual. A receiving device with a display can be placed elsewhere in the room. That is, not necessarily on the reverse side of the front door. Although this embodiment can be considered.

According to its functional wireless models are identical wired. And they work just as well, plus everything they have the same range. But the image quality on the screen at them worse.

Comment

Victor Polyakov

retail consultant "M-Video"

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"There have wireless devices is one very serious drawback - interference. If the wave, where the eye is functioning, there were noise, then it will not work. And they may arise for various reasons: working near electrical equipment high power proleganiya conductive lines or parts under high voltage and the other. "

Wi-Fi videoglazok to the front door

The presence of Wi-Fi in the category name indicates that this is a device that can transmit data across the ester linking videoglazok smartphones, computers, laptops, and other devices, host the Internet. It's all the same videoglazki, wired or wireless. They are installed in Door exactly the same as the most simple devices with a hole in the door leaf.

But in the design of the device receiving the signal processor located with Wi-Fi functions. These are from other models and different. There are no other differences. Therefore, for those who are used to carry in your pocket smartphone and considers it its integral part, variant videoglazki with these functions - the best option choice. The Wi-Fi functionality eye include: the ability to communicate with the visitor through the smartphone, open a door through it, if the latter is equipped with electric lock.

The only thing - it should be noted that devices of this type are the owners of the different characteristics. Therefore, the choice should pay attention here on these indicators:

• the range of perception of the object of the door;
• angle;
• photo- and video data transmission rate;
• the temperature at which the eye can operate without changing its parameters;
• as far as the energy source for the autonomous operation.

The IP-videoglazok the front door is different from the Wi-Fi model

In terms of functionality - nothing. This camera with a data transmitting device via the Internet. In it lies feature Wi-Fi, as an additional option. Most IP-only devices are multifunctional. Moreover, if the house is empty, then the data transfer can be done via MMS or SMS. In all other respects it is all the same videoglazki with various functional and technical specifications.

But in terms of ease of use they are the best. Because outside the home, you can control what goes on behind the door.

Videoglazok recording and motion sensor

These devices differ from the others in that the external camera mounted on the landing, the motion sensor is inserted. Its function is to turn on the camera when the door at a certain distance there is any object. That is, if no one moving at the door not, and the camera does not work. And it saves power. This is the only function sensor.

With regard to the recording of what is happening near the front door, in the device of such a device is not present. That is, nothing is stored inside the monitor. His task - to transfer data to a memory medium. This can be a computer or a smartphone. This preserves and photos, and video, and sound. It should be noted that videoglazok to the front door with a record of what is happening - it is an opportunity to gather clues, which are written in the form of a photo or video. For law enforcement agencies is a big help.

Attention! The motion sensor must operate at a minimum distance of 1.5 meters from the front door. This parameter is recorded in the data sheet. If this characteristic is less, then the function can be regarded as unjustified.

How does videoglazok

Videoglazok from a conventional camera or the camera is no different in terms of its principle of operation. The image from the sensor is transmitted wirelessly or wired to the panel, which is located inside the apartment or house. Where it is processed and converted into a video or photo. Improving the image itself, are aligned geometric distortion, and the signal is output as an image on the monitor.

Since most energy-intensive part of the device is the screen, its specially made small in size. In this form it looks and efficiently on the surface of the door leaf. Plus a small need for food makes it possible to organize the work of a few AA batteries.

Models with IP-cameras make it possible to completely abandon the indoor unit. They immediately transmit data to a smartphone screen.

How to install their own hands videoglazok

Lineup videoglazki and video is huge. And each model its mounting nuances, which mainly depend on the attachment of the mounting plate and the indoor unit with a monitor. Consider how you can set videoglazok wired brand R02.

Picture	Description of work
	The device itself consists of a peephole with a camera, a monitor of the indoor unit and the mounting plate for fastening the parts together and the door. To install the required normal Phillips screwdriver.
	Included with the device fastening screws are to be interconnected and the connecting eyelet plate.
	This is a battery that is inserted into the indoor unit videoglazki.
	First, you need to install the battery unit. To this end, the cover is opened in the lower end.
	In the Open niche is necessary to insert the battery contacts downward.
	Now through the peephole in the back of the tube it is necessary to screw two bolts. Their length is chosen according to the width of the door, so the manufacturer has invested in a complete set several fasteners different lengths.
	On the outer side eye are set so that a call button is located at the bottom of the device.
	Peephole installed on the outside of the front door. On the inside of the hole should stick two bolts and a cable for connection to the indoor unit.
	Now you have to set the back of the mounting plate to the door. It shows an arrow that indicates that it is still necessary to perform the installation plate. That is, the arrow indicates the upper edge.
	On the plate are three longitudinal holes: two extremes is necessary to push the bolts into the middle - connecting train.
	It should look like this.
	Now you just have to tighten the screws with a screwdriver until it stops.
	Next you need to connect the eye to the monitor, which connector loop, stretched across the door leaf, it is necessary to connect to the connector on the indoor unit. This connector is located on the back wall. In some models it is closed.
	It remains only to install the unit. It simply put the top down on the built-in mounting plate. Why have the guide on its surface. According to him monitor and worn.
	So videoglazok looks on the outside of the plane of the front door.

How much is videoglazok door: price, model specifications

Buy today videoglazok for the front door is not a problem. They sell the usual specialty stores, and online portals. So there is an option to select and price, and performance.

Model	Characteristics	price, rub.
	Wireless videoglazok to the front door with a motion sensor. Door Thickness: 35-100 mm. The diameter of the holes for the camera (the tube): 12-58 mm. Power - Two batteries are: main and reserve. Illumination range: 1.5-2 m. Color display with a diagonal of 8.9 cm.	11500
	Wired model. Type - camera color bullet. Food - power socket through the adapter that comes in the kit. Viewing Angle - 170 °. Operating Temperature: -10 to +50 ° C. Diameter - 23 mm. Length - 76 mm. Weight - 100g	4300
	Wired model. Door Thickness: 40-110 mm. Video review of - 120 °. The camera sends a color image resolution of 1.3 Megapixels. Instrument weight - 230 g Meals - four "AA".	5600
	Videoglazok wireless at the door as usual. Door Thickness: 10-100 mm. Hole diameter: 14-40 mm. Operating Temperature: -10 to +50 ° C. Power - Two batteries are: main and reserve. Angle - 120 °. Backlight - no. Screen - 3.5 inches. Hour Range - 200 m outdoors.	7000

As you can see, videoglazki not in vain so popular today. A huge variety of models offered makes it possible to choose to fit your requirements the desired device. It is possible to find the alternative that, and the price is acceptable, and functionality will not give expensive models. If you have any questions regarding the leave them in the comments. The editors of our site is required to answer them.