Mobile / Portable Digital Video Recorders (DVR's) 
Everfocus EDSR400M60 Mobile Digital 4 channel video recorder EDSR400M60

The EDSR400M is a real time digital video recorder designed specifically for use in mobile applications. The EDSR400M digital 4-channel recorder meets a wide range of transportation standards for humidity and vibration. It has the ability to record at 60/50 images per second with NTSC/PAL formats and can replay events instantly. The highly efficient compression technology, as well as the superior recording quality, make the EDSR400M stand out from its competitors as the best choice for mobile security surveillance. Keep your passengers and drivers safe with the EDSR400M.