With this HD car camera recorder, you can capture video evidence of a car accident, driver behavior or passenger safety. Video recording automatically begins when your ignition is turned on. With a built-in microphone and speaker, this unit records up to 226/149 total min. at 480P/1080P on a 32 GB micro SD (not included). It records 30-sec., 3-min. or 5-min. continuous video clips and locks up current and post-impact sensing video clips. The built-in 1 1/2in. LCD screen with 30-second sleep mode. A built-in USB 2.0 port provides easy PC connection for charging, storing footage or using unit as a webcam. For regular recording, overwrite is automatic when SD is full.