Xiaomi Smart Doorbell 3S

Head to toe with the diagonal 180° ultra-wide view

The new-generation ultra-wide camera increases the vertical angle to 107°, to ensure clear, panoramic monitoring of the entire area in front of the door.

Ultra-clear vision with 2K resolution, clearer than 1080p

2K resolution images are higher quality and record more details than 1080p images, allowing you to see visitors' faces more clearly.

Superior night vision: See clearly in low or no light

The new night vision sensitivity adjustment function can help avoid inaccurate night vision switching. The 6 built-in 940nm high-power infrared illuminators* are activated automatically when it turns dark. You can see clearly even in low or no light.

Professional IP65 water and dust resistant design

No fear of adverse weather conditions. The IP65 water and dust resistance rating enables stable performance in adverse weather conditions.

Supports both a lithium battery and hardwired power supply

Two power supply modes are supported. You can choose either a lithium battery or hardwired power supply according to your needs. The hardwired power supply mode is only applicable to houses with a doorbell wire reserved at the door. The power supply requirements are as follows: 8-24VAC, 10-40VA.

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.

24-hour smart motion detection

Automatic video recording of abnormal motion on the doorstep and notifications sent to your smartphone. Equipped with a human body sensor and AI human shape detection technology for all-day monitoring of abnormal movement. Any abnormal motion on the doorstep is immediately recorded and sent to your smartphone. Video recording is only activated when a human body is detected.

Supports Alexa & Google Voice Assistant

Voice control works with Amazon Alexa or Google Assistant.

Supports personalized settings and customizable auto-replies

Record a fun welcome message that will automatically play when visitors press the doorbell.

External Dimensions

146 × 52 × 29mm

IP Rating

IP65

Battery Capacity

5200mAh (typ)

Rated Input

5V⎓2A (Type-C port); 8-24VAC, 10-40VA, 50–60Hz (doorbell AC transformer)

Wireless Connectivity

Wi-Fi IEEE 802.11b/g/n 2.4GHz, RF 433MHz

Infrared Light

940 nm infrared light

Audio System

Two-way voice calls

Storage

Cloud storage

Charging Temperature

0℃ to 45℃

Operating Temperature

-20℃ to 50℃

Operating Humidity

10%-90% RH, non-condensing

Chime Specifications

External Dimensions

60 × 60 × 39.6mm

Rated Input

5V⎓1A

Wireless Connectivity

RF 433MHz (receiving only)

Operating Temperature

0°C to 45°C

Operating Humidity

10%-90% RH, non-condensing