Mirror recording means that the SD card and hard disk recording at the same time with the same configuration (frame rate, image quality, and resolution).

The Streamax MDVR system can provide 2 different mirror recording function. One is internal mirror recording (the SD card slot is inside of the MDVR device), one is external mirror recording by fireproof box. This fireproof box is specially designed for anti-fire and anti-explosure to protect the video files in the last minutes for the accidents (for example: if the bus is on fire)