Every year, door calls graduallyimprove, and those times when with the click of a button in the apartment a dull and sometimes frightening sound was heard, went far into the past. Now the melody of the call can be the most diverse - from the twittering of birds to some hit melody. Moreover, the progress has reached such an extent that it is possible to use this tool without stretching any wires. And if until recently the wireless doorbell was considered a luxury, now it is available for absolutely everyone. What is this miracle device and how much does it cost? You will find answers to all these and many other questions in the course of our today's article.
What are they?
In fact, a wireless doorbell is the samethe most common call, which is at the entrance at the door of each of us, only it differs by the absence of any wires. This mechanism operates on ordinary batteries. The principle of its operation is similar to conventional devices - when you press a certain button, the speaker, located behind the door in the apartment, emits a signal. Only here it is fed not through wires, but through radio waves.
Where do they apply?
Door bell wireless outdoor canput absolutely on any door or even a fence. However, it became more widespread among the owners of country cottages and cottages, where frequent interruptions occur with the supply of electricity. Thus, their action is completely autonomous from the voltage in the network. The only and, accordingly, the main source of energy of these devices is a pair of batteries.
Benefits
Wireless doorbell has many advantages over conventionaldevices that require the installation of additional wires. Firstly, it's easy to install, because with such a tool there is no need to drill extra holes and perform other construction and installation works. Secondly, each wireless doorbell works on its ownfrequency. Thus, if your neighbor has placed a similar device nearby, it will not work in someone else's apartment or house. And thirdly, these tools are as tight as their stationary counterparts, which excludes the possibility of moisture penetration inside the electronic circuit, followed by the occurrence of a short circuit. It is also impossible not to mention the range of action, which is about 140-200 meters. With this radius, you can safely install a wireless doorbell at least on the back of the street, even at the entrance. In general, this range is especially appreciated by owners of cottages, which sometimes have a wicket at a distance of several tens of meters from the house itself.
disadvantages
Perhaps the only drawback of a wireless call is its vulnerability to frost. At low temperatures, the electronic circuit of the mechanism very often fails.
How much does the wireless doorbell cost?
The price of these devices is very democratic - about 300-600 rubles, depending on the model and the manufacturer.
