| Item | Parameter | |
| OS | Linux | |
| Language | Chinese/English/Others (can be customized) | |
| Video Compression | H.264 Compression Mode | |
| OSD | Overlays information such as date time and vehicle ID | |
|  			 
 GUI  |  			 			 Graphical User Interface  |  			 			 Can connect to external LED screen. Setup system parameters with the remote control.  |  		
|  			 
 
 
 
 
 
 
 
 Video Record System  |  			 			 
 Video Input  |  			 			 4 channel,2 channels built-in , 2 channels expansion; 080P AHD HD / SD / Mixed Video Input  |  		
| Video Output | 1 composite video output | |
| Preview | Support 1/2/4 channels full screen preview | |
| Resolution | Support 1080P/720P/D1/CIF, MAX:4channels 1080P | |
| Video Quality | 0-7 levels, 0 is the highest level, 7 is the lowest level. | |
|  			 
 
 
 
 Video Standard  |  			 			 PAL: 100f/s , CCIR625 line,50field; NTSC: 120f/s, CCIR525 line,60field; CIF: 256Kbps ~ 1.5Mbps, multi levels video quality optional; HD1: 600Kbps ~ 2.5Mbps, multi levels video quality optional; D1: 800Kbps ~ 3Mbps, multi levels video quality optional; 720P : 1Mbps~4Mbps, multi levels video quality optional; 1080P: multi levels video quality optional;  |  		|
|  			 
 Record Mode  |  			 			 The default setting is auto recording after power on. Timed recording, alarm trigger recording and manual recording are supported.  |  		|
|  			 
 
 Audio  |  			Audio Input | 4CH ,2 channels built-in , 2 channels expansion | 
| Audio Output | 1 channel | |
| Compression | G.726 compression | |
| Alarm Input | 1CH level Alarm Input | |
| Alarm Output | 1CH level Signal Output | |
| Communication Interface | 1CH RS232 &1 channel RS485 | |
|  			 
 Wireless transfer  |  			 			 Support Built-in 3G network, WCDMA,CDMA2000,TD-SCDMA compatible with GPRS,EDGE; Support Built-in 4G network, TTD-LTE, FDD-LTE  |  		|
| Position | Support Built GPS/BD Module,can make playback analysis of vehicle routing | |
| G-Sensor | Support G-sensor | |
|  			 
 Video Storage  |  			Storage | Max support 2X256GB SD Card | 
|  			 
 Upgrade  |  			 			 Support USB flash disk updating,SD card upgrade , OTA remote upgrade automatically  |  		|


| File Format | H.264 | |
| File System | Special Car system File System | |
|  			 
 USB  |  			 			 Support Two USB Port: 2.0 - Front panel supports USB port, support USB flash disk upgrade to backup; hard disk box USB port, can back up video data  |  		|
|  			 
 Video Playback  |  			Video Search | Search video by Record Time/Record Type etc | 
|  			 
 Playback  |  			Max support 4CH Replay /Stop/Fast Forward/Fast Reverse at same time | |
| Support x 2,x4,x8,x16. fast forward or fast backward play | ||
| Safety Management | User/Admin 2 Levels Different Passwords , support screen lock | |
| TTS Voice Broadcasting | Support TTS voice broadcasting | |
|  			 
 
 
 
 Voltage & Power Consumpti on  |  			Power Management |  			 Adaptive wide power input, with overload, undervoltage, short circuit, reverse connection and other protection functions; Support the timer switch machine, delay shutdown function.  |  		
| Voltage Input | DC:+8V ~ +36V | |
|  			 
 Voltage Output  |  			 			 12V @1.2A 4 channels,with IR 12V @0.9A 2 channels,with IR  |  		|
|  			 Power-off Protection  |  			 			 UPS Technology,All video information can be saved automatically when the power is cut off, and make sure that all the files can not be damaged.  |  		|
|  			 Power Consumption  |  			Normal Working <10W, Standby state <0.5W | |
| Working Environme nt | Temperature | -20℃ to +70℃ | 
| Humidity | 20% to 80% | |
| Heater device | Build-In Hard disk Heater(Temperature Sensor) | |
|  			 
 others  |  			Size | 125mm*130mm*150mm | 
| Net Weight | 0.5Kg | |
***** Above parameters any changes,please refer to actual product *****
