Description: Product Parameters APP:X Smart Home Video call: support Voice change intercom: support WIFl: Support Bluetooth-compatible: support Lens angle: about 60 degrees Pickup distance: 3M Battery type: rechargeable lithium battery Battery capacity: 800ma/h Night vision light: 850N night vision light Ringtones: 38 Installation: glue or expansion screws (choose one) Specifications: Features: - Upgraded version of the miniature Dingtone machine rechargeable visual doorbell voice change voice calls, doorway abnormal warning, 2-day lifetime cloud storage so pro-price, from our ultimate pursuit of technology! - When someone presses the doorbell, the doorbell will push notification to the cell phone, and the owner can enter the cell phone video conversation interface supports sharing to up to 10 members at the same time. - Simultaneous capture and storage in the cloud for security and protection. - Upgraded voice-change function, when you are alone at home, you can use the voice-change intercom function. Support 2 voice modes: original voice and uncle. - Adaptive infrared night vision function, can automatically switch between day/night mode, H D infrared night vision, see the visitors in the dark. Package Included: 1 * Smart doorbell, 1 * Backing, 1 * dingdong machine, 1 * Screw kit, 1 * Data Cable, 1 * Manual