Door bell

Abstract

The invention discloses a door bell. The door bell comprises a shell, a wireless communication module, a microphone, a loudspeaker and a power supply, wherein the wireless communication module and the power supply are mounted in the shell; a subscriber identity module (SIM) card slot connected with the wireless communication module and a button switch for starting the wireless communication module to send out a signal are arranged on the shell; the microphone and the loudspeaker are connected with the wireless communication module. According to the invention, the wireless communication module is arranged, so that when a visitor comes to visit, the wireless communication module dials the preset fixed phone or mobile phone after the visitor presses down the door bell, and a master can know that through caller identification. When the master is at home, the master can open the door; when the master goes out, the master can get through the phone to communicate with the visitor. The fixed phone or mobile phone serves as a receiving end of door bell prompt, so that an obvious prompt effect is achieved.

Description

technical field [0001] The invention relates to a doorbell. Background technique [0002] At present, there are many kinds of doorbells on the market, such as wired doorbells, wireless doorbells, etc., but these doorbells can only realize the function of calling reminders when the owner is at home. If the owner is out, he cannot know that there is a visitor at home. Sometimes the owner is listening to music. Or in the case of a room, etc., it may not be possible to know that there is a visitor. The prompting effect of the existing doorbell is relatively poor, resulting in shutting out visitors and embarrassing situations. Contents of the invention [0003] The purpose of the present invention is to overcome the problems existing in the prior art, and to provide a doorbell capable of knowing that there is a visitor and having a good prompting effect. [0004] The technical solution adopted by the present invention to solve the above technical problems is: a doorbell, whic...

AI Technical Summary

Problems solved by technology

[0002] At present, there are many types of doorbells on the market, such as wired doorbells, wireless doorbells, etc., but these doorbells can only realize the function of calling reminders when the owner is at home. If the owner is out, he cannot know that there is a visitor at home. Sometimes the owner is listening to music Or in the case of a room, etc., it may not be possible to know that there is a visitor

The prompt effect of the existing doorbell is poor, resulting in shutting out visitors and embarrassing situations

Images