| Main | Sub-Item | Instructions |
| Recording Sub-System | Video Channel | 4Channel video + 4Channel Audio recording synchronously; |
| Resolution | Support 4*720P(1280*720),4*D1(704*576),4*HD1(704*288),
4*CIF(352*288);Each channel is individually adjustable. |
| Image Quality | 0-7 levels, 0 is the highest level. |
| OSD | Overlays information such as date time and vehicle ID |
| Loop Rec | Support SD card loop recording, loop cover previous video |
| Record Mode | Timed recording, alarm trigger recording and manual recording |
| Preview | Support 1 channel and 4 channels preview. Support enlarge video image when alarm trigger and video rear view trigger; |
Disk overwritten | Space pre-allocated Support disks overwritten function. |
Playback System | Video Search | Search video files anytime per day, type(n/a) |
| Playback | Support 1 to 4 channels playback. |
| Support forward and backward play at the speed of: x2 ,x4,x8,x16. |
| Support alarm spot search and time search. |
| GUI | Graphical User Interface | Setup system parameters with the remote control. |
| Alarm | Input | 8 channels electrical level alarm input for optional |
| Alarm linkage recordingActive request the intercomOne-key phone calling functions,etc. |
| Output | Max support 2ch level output |
Optional functions | GPS Positioning | Built-in GPS/BD module: can sync record GPS information, trace
replay. |
| PTZ Control | Support Pelco-D protocol 485 PTZ remote/local control,preset. |
| Serial Expand | Support LED Advertisement PanelOil SensorPOSBus Station BroadcasterCar OBD,ect.external devices. |
| G-Sensor | G-sensor,Record vehicle real-time status. |
| TTS Voice Broadcast | Support TTS voice broadcast function. |
| Network | Can expand WIFI module,support 801.2b/g/n, 801.2a/c |
| Built-in EVDO/WCDMA/TD-LTE/FDD-LTE,etc, 3G/4G module. |
| Others | ON/OFF | System delay-time power on/off; |
| File System | DVR special file recording System Technology,Exclusive car record
file system,space pre-allocate,4ch single file Record,cyclic
covering;To avoid the storage of the media causes file fragments,
with high reliability and high stability; |
