At present, many office buildings, homes, commercial buildings, hospitals and other places have used doorbells. Its use can not only improve the safety of our living and use, but also give us a lot of convenience. Today’s Xiaobian is coming to introduce you to the home doorbell. There are many types of home doorbells, each with its own characteristics. Let’s take a look at the relevant content of the household doorbell.
What are the types of household doorbells?
1. Wireless doorbell
The biggest feature of this type of doorbell is that it does not require a battery, which makes it more environmentally friendly to use. This battery-free wireless doorbell means that its transmitter uses energy capture technology that collects the energy when the user presses the doorbell button and converts it to electrical energy, which drives the doorbell to ring. Therefore, the wireless doorbell is also called a remote doorbell. The wireless doorbell does not need wiring, and the installation is simple and flexible, but the transmission distance of the wireless doorbell is greatly affected by the transmission distance and the on-site environment.
2. Wireless non-visual doorbell
The feature of this kind of doorbell is that it can be operated remotely. At that time, the identity of the outsider can only be identified by ringing and sound, and it is impossible to visually see the other party’s face. The wireless non-visual doorbell transmits only voice signals. When the visitor rings the doorbell, the owner can only hear the sound at home. The wireless non-visual doorbell integrates wireless intercom and remote control to open the door, which overcomes the defects of the traditional wireless doorbell, the access control system can not talk, and can not open the door remotely. At the same time, it also avoids the trouble that the wired system needs construction wiring, and is an upgraded product of the traditional doorbell and access control system.
3. Wireless video doorbell
This kind of doorbell is characterized by remote operation, video images, etc. to identify the identity of the outsider, to clearly hear the other party’s voice, and to clearly see the other party’s appearance. The wireless video doorbell can play the functions of outdoor monitoring, remote unlocking, photo archiving, tamper alarm, etc., which can improve the safety of our residence and also facilitate the opening and closing of the door.
4. Visual intercom doorbell
This kind of doorbell is characterized by the ability to clearly see each other’s appearance, and to communicate clearly and smoothly with each other. This type of doorbell is used more frequently in residential areas. It is a contact system for audiovisual communication between residents and visitors, and is the first line of defense for illegal intrusion in residential communities. After the visitor is confirmed, the owner can use the door lock control button on the extension to open the electronically controlled door lock on the main unit door of the unit building, allowing the visitor to enter; otherwise, all the personnel and non-local visitors who are not in the unit, can’t enter.
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