BOYO Dashcam Vehicle Digital Video Recorder Box (Black) 2.0MP CMOS digital sensor. External GPS, compatible with Google Map. Recording resolution: 1 channel: built-in 1280x720HD, Optional 2nd camera: external: 640x480. G-sensor built-in. Audio record: aac/ Video Record: H264 Various recording method: Normal recording: saving a video clip every 2 minutes (30MB/file), Event Recording: saving a 20 second file independently in case of impact (before 10seconds & after 10 seconds Angle of view: 110 (diagonal). LED indicator. Built-in RTC (Real Time Clock). Video-out port for external display LPR (License Plate Reader). Able to capture License plate numbers in vicinity. Includes PC Viewer software for playback with Google Map. Tells speed and location of the recording.