4ch linux 3g 4g video camera dvr HDD

The MDVR features H.264 video compression to maximize recording and consume less space on the SD card The unit also records in encripted files, which ensure the integrity and authenticity of the original file. This device features 6 alarm inputs, and two alarm outputs for event-triggered recording, such as bus doors opening or closing, activation of signal lights, increased speed, sirens and more. The DVR is equipped with a built-in GPS overlay for data, speed, and coordinate location, and a graphical, easy-to-use on screen display (OSD). This compact mobile DVR also features a tamper enclosure that locks over the top of it to prevent unwanted access to the device — for added security.