Main Features:
AI face identification 
Movement detection and SMS video push 
Infrared night vision 
Free cloud video storage 
720P HD resolution 
Real-time talking 
Support up to 4 users connect at the same time 
Transmitter range is more than 50 meters 
Doorbell Specification:
Brand: Xiaomi
Model: MJML01-FJ
Weight: 320g
Type ( Access Control ): Facial Recognition System
Battery: 4 x AA Batteries (included)
Power supply: 100 - 240V, 50 / 60Hz
WiFi connection: WiFi, 433MHz RF
Resolution: 1280 x 720P
Lens Angle: 105°
Aperture: F2.0
IR Light: 4pcs 850nm
Working Temperature: 0℃ - 45℃
Indoor Receiver Specification:
Model: MJJSQ01-FJ
Input: 100V-240V, 50-60Hz
Wireless Connection: RF433MHz
Working Temperature: 0℃-45℃
Working Humidity: 10%-90%RH
 
Dimension and Weight
Product weight: 0.2000 kg 
Package weight: 0.2800 kg 
Package size (L x W x H): 12.00 x 8.50 x 8.50 cm
Package Contents
Package Contents: 1 x Xiaomi Video Doorbell, 1 x Xiaomi Doorbell Receiver, 1 x User Manual