Video/Audio Input
Audio Input:    |    4-ch
Video Compression:    |    H.264
Analog Video Input:    |    4-ch
PAL/NTSC Adaptive:    |    Support
Audio Compression:    |    G.711
Audio Input Interface:    |    Aviation plug (linear electrical level, 1 kΩ)
Two-way Audio:    |    1 Aviation Interface (Linear electrical level, 1KΩ)
Compression resolution:    |    4*WD1
Video/Audio Output
Frame Rate:    |    PAL: 1~25 fps, NTSC: 1~30 fp
Video Bit Rate:    |    32Kbps~2048Kbps, or user-defined (Max.6Mbps)
Stream Type:    |    Video/Video&Audio
Audio Output:    |    1-ch Aviation Interface (Linear electrical level, 600Ω)
Audio Bit Rate:    |    16kbps
Hard Disk Driver
Interface Type:    |    1 SATA Interface
Capacity:    |    support 2.5” SATA HDD/SSD
Wireless Transmission
GPS:    |    Built-in high-sensitivity GPS chip
External Interface
SD Card Interface:    |    Support 1 SD/SDHC card for recording
Network Interface:    |    1 RJ45 10M/100M adaptive Ethernet Interface
3G antenna interface:    |    SMA interfaces for 2 3G antennas, 1 WIFI antennas and 1 GPS antenna
USB Interface:    |    1 USB 2.0 interface
Serial Interface:    |    1 RS-232 interface;1 RS-422 interface
Alarm Input:    |    3-ch high/low-level signal input
Alarm Output:    |    2-ch
Remote Control:    |    IR Remote Control
GPS:    |    Build-in GPS module, SMA antenna
Control mode:    |    IR, Control Client, Web 
SIM/UIM:    |    1 standard SIM/UIM slot
Driving Information Collection:    |    4-ch high/low-level signal input, 1-ch pulse signal input(reserved)
Antenna interface:    |    SMA interfaces for 2 3G antennas, 1 WIFI antenna and 1 GPS antenna
General
Power Input:    |    Input: +8~ +36VDC; 
Power Output:    |    Output: 12VDC/2A, 5VDC/1A
Operating System:    |    Embedded Linux Operating System
Power Off Delay:    |    support
Schedule On/Off:    |    support
Operating Mode:    |    IR Remote Control
Consumption:    |    Standby: Max. 0.5W;
Working Temperature:    |    -10 ºC ~ +55 ºC (14 ºF ~ 131 ºF)
Working Humidity:    |    10%~90%
Dimensions:    |    178mm×170mm×50mm 
Weight:    |    Aprox.1.6kg (without hard disk )