H.264 wireless 3G vehicle DVR 1.H.264 format 2.1~4CH video input 3.3G and GPS are available ... 4.CIF,HD1,D1 resolution up to H.264 wireless 3G vehicle DVRIntroduction1,Support 4CH video,CIF,HD1,D1 resolution ... other data in the video.3,Built-in GPS,3G wireless communication module,which achieve global positioning and real- ... Shenzhen Security&protection Industry Association H.264 wireless 3G vehicle DVR