Crest Electronics Inc., Greensboro, N.C., is a mobile DVR that is truly designed for the high intensity environment of mobile recording. The new CDR-2104MBL 4-channel mobile digital recorder has the same feature set as the CDR-2104N: Ethernet connection, 120FPS Global Display & Recording Rate (Selectable up to 30FPS per camera), removable HDD, compact flash, remote access and PC player software, and one audio channel (optional), and a vibration-resistant case.