... & audio scene collection , Real-time transmission, H264 code compress Pinhole camera,GPS Portable 3G DVR 3G video & audio scene collection ,Real ... GPS backend server support.DisplayBuilt-in 1.77 inch TFT color screen,support video preview,support video playback,photo playback support ... the record and photo,urgency key-pressLED One power and color charge indicator.the green light when power on, Green ...