GBSEL 2.7 Dual Lens Car Vehicle 1080P HD Dash Camera DVR Cam Night Vision Recorder,G-sensor,Motion detection G-sensor function: when gravitational acceleration reach 6g (1g=9.8m/s), machine will save present video as undeletable files Other function: Motion detection, PIP, split screen, full screen, Seamless looping video, Recycle video recording etc Reset function - If the DVR hangs itself during operation, you can use this reset function Support:HDMI,PIP,Split screen,Full screen,Night version function,Motion detection,Auto cover video function,Recycle video recording, Support TF Card storage, 512MB~64GB, not included One White LED light for night vision; HDMI output, show the video on HD screen; Including the rear camera to show the back image for safely reversing car; Real Time & Date display on video, dont need to read on computer