Clearer and more detailed recoding of doorstep activity. Clear Video even in Dark: The 4 built-in 940nm high-power infrared lights ensure the images are captured clearly even in low or no light. Real-Time Monitoring: Low power-consumption and fast wake- up technologies save more energy in standby mode. Supports remote doorbell wake-up and remote viewing of the doorway via a smartphone anytime and anywhere. Diagonal 180° Ultra-Wide View: The new generation ultra-wide-angle lens increases the vertical angle to 107°, panoramic monitoring of the entire area in front of the door.Advanced AI Motion Detection: Equipped with human body sensor and AI human shape recognition technology, doorbell monitors abnormal movements of your doorway, and sends notifications to smartphone once they are detected. Smart Voice Change Intercom: Two-way audio communication, smart voice changer, peace of mind even when home alone. Free 72-Hour Rolling Cloud Storage: Freely store recorded motion-triggered video clips for 3 days, which helps you keep a virtual eye on your doorstep. Built-in 5200mAh Battery: The built-in high-capacity lithium battery helps improve the endurance and farewell to frequent charging and battery replacement.
The USB type-c charging port enables faster and easier charging. Product: Xiaomi Smart Doorbell 3. Connectivity: Wi-Fi IEEE 802.11b/g/n, 2.4GHz, RF 433MHz. Infrared light: 940nm infrared light.Product: Xiaomi Smart Doorbell 3 Electronic Chime. Connectivity: RF 433MHz (receiving only). 1 x Xiaomi Smart Doorbell 3. 1 x Type-C charging cable.