Feature: 1. TWO WAY COMMUNICATION: The voice intercom doorbell comes with a camera and screen, enabling users to engage in two way conversations conveniently with visitors. 2. AUTO 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. 3. WIDE 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. 4. LARGE 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. 5. SPEAKER AND MICROPHONE: Equipped with high grade built in speakers and a microphone, this doorbell ensures clear sound information transmission. Specification: Item Type: Wireless Video Doorbell Material: ABS Screen Size: 4.3 inch Camera: 8MP Viewing Angle: 170° Features: Two way Intercom, Auto Recording, Auto Photography Storage: Supports up to 128GB Memory Card (not included) Sound : Built in Speaker and Microphone Battery Type: Outdoor Doorbell: Built in 1000mAh Lithium ion Battery, Indoor Unit: Built in 400mAh Lithium ion Battery. Package List: 1 x Outdoor Doorbell 1 x Indoor Display 1 x Data Cable 2 x Backplate 2 x Double Sided Tape 1 x User Manual 7 x Screws 6 x Screw Covers