... MSB2521 533MHz 4G Flash - 128DDR2FM, Bluetooth, AV-IN. Car DVR: Model:Camera:Resolution:Viewing Angel:Functions:C1031.2 Million ... Multi Video Locks, to avoid overwrite important video(Unique)- Built-in G-sensor, automatically save lock videos after Collision, Impact ... and Hit (Unique)- Built-in LCD Screen- Support AV-OUT- Support Night Vision (optional)- ...