Mobile application specific product with built-in, real-time, non-PC based operating system providing Digital Video recording onto a hard disk drive for mobile or stationary applications, providing up to four real-time, 30 frames per second, video inputs with up to two synchronized channels of audio As well as providing multiplexed recording with wired or wireless data transmission over PSTN(telephone line) or LAN/WAN networks, or wireless channels The system starts to record automatically when ignition or AC power is applied, and features built-in alarm inputs for either pre or post alarm/incident marking of multiple video channels corresponding to the alarm/incident inputs System has overlay display capabilities showing such parameters as siren, brake, chase lights, speed, etc Product was designed for Police interceptors, and any other type of vehicle or intermodal transit as well as motorcycles