What kinds of wireless doorbells are there? Precautions for use.

Doorbells will be installed in the renovation of the new house. There are many kinds of doorbell. Do you know which ones? What should I pay attention to when using wireless doorbell? Let's talk to you in Bianxiao today.

1. What kinds of doorbells are there?

1, wireless invisible doorbell

The doorbell is characterized by remote control. At that time, outsiders could only be identified by ringing the bell and sound, but they could not see each other's faces intuitively. Wireless non-visual doorbell only transmits voice signals. When the visitor rings the doorbell, the host can only hear the sound at home. Wireless stealth doorbell integrates wireless intercom and remote door opening, which overcomes the defect that traditional wireless doorbell and access control system can not talk and open the door remotely. At the same time, it also avoids the trouble of wired system wiring, and it is an upgraded product of traditional doorbell and access control system.

2. Wireless visual doorbell

The characteristic of this doorbell is that it can be operated by remote control, and the identity of outsiders can be identified through video images, so that the voice of the other party can be clearly heard and the appearance of the other party can be clearly seen. Wireless visual doorbell can play the role of outdoor monitoring, remote unlocking, photo archiving, anti-disassembly alarm and so on. It can improve the safety of our residence and make it convenient for us to open and close the door.

3. Video door phone

The characteristic of this doorbell is that it can not only clearly see the appearance of the other party, but also communicate with the other party clearly and smoothly. This kind of doorbell is often used in residential quarters. It is the contact system of audio-visual communication between residents and visitors, and the first line of security for illegal invasion of residential quarters. When the visitor confirms, the owner can use the door lock control key on the extension to open the electronic door lock on the main engine at the entrance of the unit building and allow the visitor to enter; Otherwise, all personnel and strange visitors who are not in this unit building are not allowed to enter.

4. Wireless doorbell

The biggest feature of this doorbell is that it does not need to use batteries, so it will be more convenient and environmentally friendly to use. This kind of wireless doorbell without battery means that its transmitter adopts energy capture technology, which can collect energy when the user presses the doorbell button, and then convert it into electric energy to drive the doorbell sound generator to ring. Therefore, the wireless doorbell is also called the remote doorbell. Wireless doorbell does not need wiring, and the installation is simple and flexible, but the transmission distance of wireless doorbell is greatly affected by the transmission distance and site environment.

Second, the use of wireless doorbell matters needing attention

1. At present, many wireless doorbell transmitters have a small gasket under the battery. Some people may think this gasket is useless, so they don't need it. Actually, this gasket is very important. Only when this small gasket is placed under the battery can the transmitter be normally contacted and used. Don't throw it away as waste paper.

2. Never install the wireless doorbell next to the TV, induction cooker, microwave oven and other electrical appliances with electromagnetic waves, and try to stay away as far as possible, otherwise the electromagnetic waves will interfere with the signals received by the doorbell.

After the above introduction, do you all know what to pay attention to when using wireless doorbell? There are many kinds of wireless doorbell, which can be purchased according to your actual situation.