-10 inch TFT display [AHD: 1024(H)x768(V)]
-Temperature display (optional)
-Internal call between indoor unit
-Alarm 2 channel input
-Support video recording/snapshot
-Choose 16 polyphonic melodies
-Support key-unlock, call transfer, and monitoring function
-Adjustable brightness, contrast, ring volume and speaker volume
-Support two AHD (720P) cameras surveillance (optional)