1TWO WAY COMMUNICATION: The voice intercom doorbell comes with a camera and screen, enabling users to engage in two way conversations conveniently with visitors. 2AUTO RECORDING AND SNAPSHOT: This doorbell provides automatic video recording of visitors and snapshot features, providing users with a backup and review option for added security. 3WIDE ANGLE VISION: The camera offers a broad viewing angle of up to 170, covering a wider area that allows users to see a clear view of the entire doorway. 4LARGE DISPLAY SCREEN: With a 4.3 inch display screen, the doorbell provides a clear image display making it easier and more comfortable for users to observe. 5SPEAKER AND MICROPHONE: Equipped with high grade built in speakers and a microphone, this doorbell ensures clear sound information transmission.