Loop Recording: This car cam supports 8 to 32GB memory card(not included). Support loop recording, auto overwrites unneeded old videos with newly recorded ones. GPS Watermark: This driving recorder supports real time voice report for higer driving safety. Adopt GPS watermark design, display time, latitude and longitude position and speed information at the bottom of the video. Drive Assitant: This car dash camera features ADAS drive assistant. Adopt dynamic video camera techology to detect shakes and collisions around your vehicle. USB Connection: This car camera can be easily connected via USB cable, which allows you to check video recording on center control screen. Night Vision: This smart dash cam adopts lens with large aperture and chip with high sensitivity, night vision provides you the clear images even in the dim light.