This is 4 channel comprehensive view's Car Black Box, usually use for personal Car or taxi
1) Host resolution: 1 channelD1+ 3 channel CIF
2) Cameras resolution: 1/3 CMOS 480TVL
3) Alarm input: 4 alarm input
4) Compression: H. 264, 75fps D1/s
5) Format: IFV.

6) Motion detection / timer switch / alarm recording
7) View Angle: 360°
8) Suport USB port
GPS 3G optional
10)Power: DC6_32V
11)Language: Chinse/English
12)Certificate: CE FCC RoHS.