4 Channel Mobile Car DVR (Digital Video Recorder) Features:

1) Standalone operating, anti-vibration HDD

2) Display, Record and refresh simultaneously

3) 1 Ch audio input/output

4) 4 Ch video input and 2 Ch video out to monitor and VCR

5) Frame recording and quad recording

6) Compatible with NTSC/PAL format

7) Advanced MJPEG

8) Auto Channel Switching

Standalone Operating 4-Channel Mobile Car DVR X1