4ch 3G,GPS mini Car DVR with 3.5inch TFT screen, ... 4ch 3G,GPS mini Car DVR with 3.5inch TFT screen,Car Black box,Vehicle DVR,mini mobile DVR JD ... realized by cell phone, or PC (software).4ch mini car DVR with 3.5inch TFT screen,support 2. ... GPS.18. The real-time longitude, latitude and car moving speed will be stamped on the video image ... recorder(black box) 4ch 3G,GPS mini Car DVR with 3.5inch TFT screen