Mobile / Portable Digital Video Recorders (DVR's) 
Visiontech VMDVR20 Portable Digital Video Recorder with LCD Monitor VMDVR20

Digital Recorder, 20 GIG HDD storage, Photo Viewer & Digital Recorder • MP3 Player - holds approximately 30 hours of recordings in MPEG4 format • Extended CF Card Slot • 3.5” TFT LCD Touch Screen with Stylus Pen • USB Connectivity • Connects to TV, Monitor, DVR, Computer and more