1.H.264 D1 mobile dvr 2.Single SD card support up to 64G 3.Patent UPS technology 4. 4ch alarm input 5. CMS software 2012 New 4CH H.264 D1 Mobile DVRSpecification: ItemDescriptionOperation systemLinuxVideoVideo input/output4-channel CVBS video input, 1-channel CVBS video output; 1.0Vp-p, 75ΩDual streamSupportOSDTime & date, vehicle ID, GPS info, etc.compression H.264 ; high performance ...