Xiaomi Smart Doorbell 4

The Xiaomi Smart Doorbell 4 (MJML04BY) is a cutting-edge home security solution that brings high-definition surveillance to your front door. Featuring a 3MP HD camera, it captures ultra-clear 2K video, ensuring you can identify visitors with ease. Its 160° ultra-wide-angle lens significantly reduces blind spots, providing a comprehensive view of your entryway. Designed for 24/7 peace of mind, it includes advanced infrared night vision that maintains visibility even in total darkness.

This smart doorbell is powered by a high-capacity 5100mAh rechargeable battery, offering months of security on a single charge. It integrates deeply with the Mi Home App, allowing for real-time video intercoms, motion-triggered alerts, and free 72-hour rolling cloud storage. With its intelligent PIR human detection, the device can distinguish between human movement and environmental noise, sending instant notifications to your smartphone the moment someone approaches.

Key Features

• 3MP Ultra-Clear Video: Captures rich details in 2K resolution for superior image quality day and night.
• 160° Wide Field of View: Wide-angle monitoring ensures a full view of the doorstep, leaving no room for intruders to hide.
• AI Humanoid Detection: Equipped with a PIR sensor and AI technology to identify human shapes and reduce false alarms from pets or wind.
• Two-Way Voice Intercom: Communicate with visitors remotely; includes a “Voice Changer” feature for added privacy and safety.
• Infrared Night Vision: Built-in high-power infrared lights provide clear monitoring in low-light conditions.
• Free Cloud Storage: Automatically records and saves 3-day rolling video clips to the cloud without needing a microSD card.
• Long Battery Life: The 5100mAh battery provides extended standby time, rechargeable via a standard USB port.
• Smart Linkage: Can be connected to XiaoAi touch screen speakers or Mi TVs to view the front door feed on larger screens.

Specifications

• Brand: Xiaomi
• Model Number: MJML04BY
• Resolution: 2048 x 1536 (3MP)
• Lens Angle: 160° Diagonal
• Night Vision: 940nm Infrared Lights
• Connectivity: Wi-Fi IEEE 802.11 b/g/n/ax 2.4GHz
• Battery Capacity: 5100 mAh
• Storage: 72-Hour Rolling Cloud Storage
• App Region: Chinese Mainland (Required for Mi Home App)
• Operating Temperature: -10°C to 45°C
• Dimensions: 128 x 60 x 23.5 mm