... CH audio,3G,GPRS,are optional 4ch 3G,GPS mini Car DVR with 3.5inch TFT ... vehicle. And this powerful GPS tracking can be easily realized by cell phone, or PC (software).4ch mini car DVR ... operation menu, plug in and play, no need software installation;16. Online upgrade is available;17. This ... model has integrated real-time tracking capabilities, using GPS.18. The real-time longitude, latitude and car ...