* Support D1 Half D1 CIF resolution format

* Video rate 32Kbps~4000Kbps adjustable

* Delay Time Less than 200 MSEL (0.2 second) in LAN

* Built-in web server, support web browser configure update

* Support two-way audio

* Support snapshot, record, replay

* Support SD card

* Support Wifi function

* Support RS232 and RS485 (PTZ) interface

* 3G/WIFI Optional