BOYO Dashcam Vehicle Digital Video Recorder with Built-In GPS with 2.4-Inch LCD 1+1 Channel display. Built-in 2.4" Monitor. Records onto micro sd card. Motion detection. Beep sound. Viewer program with Google map. Built-in 3G sensor. LED indication. 4 function buttons. Compression: H264. 30fps@ 1280x720P (1CH). 15fps@max (2CH). Motion detection recording before 10sec and after 10sec. Event Time Recording: Before 10sec and after 10sec. Audio recording by internal mic. Audio output. Compatible with up to 32GB micro SD card. Includes 8GB micro sd card.