-7-inch (1024×600) capacitive color touch screen -Android 9.0 OS -5 physical buttons -H.264 video codec and 1080P high resolution -built-in 2W speaker and AEC -Built-in Bluetooth 5.0 and 2.4GHz/5G WiFi -RS-485, 8 alarm input interfaces and 2 embedded relays -Support PoE, wall-mounted installation, 2 SIP lines