7 inch (1024 x 600) capacitive adjustable touch screen
720p30 HD video (with CAM50)
Runs Android 5.1.1
Yealink Noise Proof Technology
Yealink’s SDK (Software Development Kit)
DoorPhone Features(Preview, One-button Open, Monitoring)
Built-in Bluetooth 4.0+ for headsets and pairing mobile devices
Built-in Wi-Fi (802.11b/g/n)
USB 2.0 port (2.0 compliant) for USB headset,media and storage applications
Opus Codec support
Up to 16 VoIP accounts
Up to 5-party audio conferencing
Wall mountable
Color-screen Expansion Module support