H.264 standard compression algorithm, low bit rate, high picture quality.

Dual stream - individual network video streaming and NVR record streaming.

3G phone remote view ( iPhone / iPad / Android).

2 way audio (conference).

HDD data retention days / Daylight saving time / NTP.

Device ID setup for remote controller and control keyboard.

Alarm trigger / relay out / motion function enable schedule.

Watermark supported.

USB or remote firmware upgrade supported.

Alarm triggering screen popup, buzzer, related record, PTZ preset, pre-alarm, e-mail.

Smart channel settings: Live / playback screen digital zoom(x2), playback camera title and date / time position movable, 3 privacy masking.

Recorded file lock mode to avoid deleted or covered.

Channel sequence management of spot out setup.

Operation log list / Network online users list check.Intensive security function by chosen AUTHORITY.

Convenient backup by AVI file.

DVR control: keypad, remote controller, mouse, control keyboard, network.

Safari browser operation on MAC.