Xiaomi Bhr6540Gl Features A Dual-Axis Pan-Tilt-Zoom Motor, With A 360 Degree Horizontal Viewing Angle And 106 Degree Vertical Viewing Angle. Sleep Undisrupted With No Visible Red Glow At Night And No Visual Pollution. 940Nm Infrared Light For Clearer Night-Time Images. The All-New Ai Human-Detection Algorithm Provides Faster Contour Detection And Automatic Tracking And Recording, While Effectively Filtering False Alarms For Improved Accuracy.