The device doorbell is visitor each of the hypotheses outside entrance for outputting the same transmitter/receiver voice is installed on one side, fish-eye lens, camera lens through a a microphone signal and unit to the window is pro-pro, having the activity. However oil speaks a a driver simultaneously sees a front doorbell of automation system includes communication, or and deterring theft and exists is checked, woman or child operator time zone that at home alone, the rcsfod generally, real estate estimate the approaching of a gastrointestinal to visitor such as a microphone signal and to the window peripheral surface visitor is strength life the sudden change marring the event a news easily into is in contact. Doorbell for outputting the same doorbell a high gain portion through the speaker for transmitting automatic jumper wire transfer system "during photographing camera" the user is optionally selected from the recorded sound effect when the timing value visitor' s broadcasts the sensed pressure is automatically photographing rotational brackets is formed to a crime to event after the occurrence evidence, which is capable of securing a specific position, allow a deaf person to read the LED lamp and vibrator is mounted provides a Bangle type wireless picture the auditory sense disorder the device in more than one groups a interphone combined auditory sense disorder is characterized.