Wi-fi, 3G upload function for option, GPS worldwide position function, shut down delay function, H.264 clearest format for DVR

HDD Memory Digital Video Recorder

H.264 technology for video compressionStand alone NON-PC embedded operating system (RTOS) provides maximum stabilitySupport USB2.0 thumb drive backup record files.+6-32V input voltageOutput power: 12V/2A, available to supply power to external power sourceStorage medium: HDD, max 500GB(not included)Special 4 Pin D-jack for stable video input, 1 D-jack & 1 RCA video outputs and one audio output

HDD DVR (can be with 3G GPS)