4CH D1 Resolution 1024*768 WIFI & GPS function Storage Max to 2TB and 64GB SD card External USB2.0 Shockproof Mount Basic Description1) 4 channel video and audio recording2) D1 resolution for each channel (704x576)3) Up to mega-pixel for 4 channel (1280x1024)*30fps(NTSC)4) Built- in GPS module5) Built-in WAN Port, WAN is available6) Support external WIFI7) Storage HDD, SD card, USB port8) Dual ...