the Xiaomi Smart Doorbell 3S, like the Smart Doorbell 3, features 2K resolution and a 180-degree diagonal for views from head to toe. Real-time monitoring, motion alarms, a door chime and free 72-hour cloud storage are exactly like in the previous model. The new Xiaomi Smart Doorbell 3S has also been given a number of improvements. It now has IP65 protection against dust and water and can be powered by a 5200 mAh battery as well as a hard-wired power supply. The previous model only supported battery operation. A comparison shows that other new features include WiFi 6, customizable surveillance areas, WDR support (Wide Dynamic Range for clearer images) and adjustable night vision sensitivity.
- Ultra-clear 2K resolution:With a 3MP (2048×1536) resolution,it is more detailed than a 1080p doorbell
- IP65 Weather Resistance: An IP65 rating keeps reliable monitoring in different weather conditions. Easily handles outdoor environment of both heat and cold.
- Two power supply modes :Two power supply modes are supported. You can choose either a lithium battery or hardwired power supply according to your needs.
- Voice assistant compatibility: Supports Alexa & Google Voice Assistant
- Dedicated indoor chime: The high-volume wireless chime rings even when disconnected from the internet
- Two-way audio communication, smart voice changer: When someone rings the doorbell, you can view them in the doorway and communicate with them via your smartphone. Voice modification support conceals your gender and age, and protects your privacy
- 72h cloud storage: Watch videos recorded in the last 72 hours for free without purchasing a microSD card or subscribing to cloud services, and check recordings of abnormal doorstep movement anytime, anywhere
- Ultra-high capacity lithium battery Only needs charging 3 times a year:The built-in 5200mAh high-capacity lithium battery makes frequent charging and battery replacement unnecessary. The Type-C charging port enables faster and easier charging