Three Cameras 4inch 3 Lens Car DVR 1080p Auto Dashcam

4inch lcd screen 3-camera supported sync recording resolution: front 1080p/internal 480p/back 480p video format: avi/mjpg with builtin microphone & speaker with builtin lithium battery auto startup and turnoff support playback on the device support tf card max.32gb class10 (not incl) features: g sensor, motion detection, loop recording, reverse parking