The Xiaomi Smart Doorbell 3 offers enhanced home security with advanced features designed for convenience and protection. Equipped with a 180° ultra-wide viewing angle, 2K high-definition video, and AI-powered motion detection, this doorbell provides comprehensive monitoring and real-time alerts for your doorstep. Features 180° Ultra-Wide Viewing Angle: Captures a full view of your doorway, ensuring no blind spots for better security. 2K High-Definition Video: Delivers sharp, clear images with a 3MP camera, ensuring you can see every detail at the door. 5000mAh Battery with Extended Life: Featuring a high-capacity lithium battery, this doorbell lasts up to 4.8 months on a single charge, reducing the need for frequent recharging. With Type-C charging, powering up is convenient and fast. AI Facial Recognition: Recognizes familiar faces using advanced AI technology, helping you identify family members, neighbors, or regular visitors. Two-Way Communication with Voice-Changing Feature: Communicate directly with visitors through the doorbell using your smartphone. The voice-changing option provides added privacy, ideal for users who prefer not to reveal their identity. 24/7 Motion Detection and Alerts: The built-in human sensor and AI motion recognition send instant alerts to your phone whenever motion is detected at your door, even at night. Infrared Night Vision: Equipped with four 940nm high-power infrared lights, the doorbell automatically switches to night vision mode in low light, allowing clear visibility even in the dark. Free 72-Hour Cloud Storage: Access recorded videos from the past three days without any additional subscription or storage card, providing convenient access to recent activity. XiaoAI Integration for Smart Home Connectivity: Seamlessly connects with Xiaomi's smart home ecosystem, allowing you to view the door camera on devices like the XiaoAI touch screen speaker or Xiaomi TV. Multiple Tamper-Proof Mechanisms: Includes an anti-removal alarm, strong 3M adhesive, screws, and device ID binding to deter tampering. If the doorbell is removed, it will trigger an alert and send a video notification to your phone. Indoor Chime Receiver with Adjustable Volume: Equipped with a 79 dB loudspeaker and four volume levels, the indoor chime ensures you hear the doorbell even in a noisy environment. It also features a Do-Not-Disturb mode to prevent interruptions during rest periods. Parameters Resolution: 3 MP (High Definition) Field of View: 180° ultra-wide angle Aperture: F2.0 for sharper details Lens Elements: 6 elements for more realistic imaging Power Supply: 5000mAh built-in lithium battery Charging Port: Type-C Doorbell Button Light: Yes Silent Mode Upgrade: Yes Motion Detection Alerts: Yes Visible Voice-Changing Talk: Yes Real-Time Viewing: Yes Indoor Chime Receiver: Yes Instructions Binding and Network Setup Open the Mi Home app and scan the QR code on the back of the doorbell. Follow the prompts to complete the binding process. Installation Peel off the adhesive on the back of the mounting base and attach it to the door. Snap the doorbell onto the mounting base. Removal and Charging Insert the removal pin into the release hole, slide upward to remove the doorbell. Use the included Type-C cable to charge the doorbell.