Specifications

WIFI technology, 802.11b/g/n, 100M Ethernet
Speaker, 1W / 4Ω
Powered by: AC 10~24V 1A/DC12~30V 1A 

Features

H.264 compression, 720P HD camera to capture guests’ image and record video
2.2mm fixed lens, 100 degree viewing angle
PIR sensor for sensing infrared signal from human body to generate alarms
Built-in IR-Cut, good night performance
Unlock the door and chame optional
Android and IOS system supported
Two-way audio