RioRand F30 HD Dual Camera Lens Car Vehicle DVR Dash Cam Video Recorder 8 IR Lights SOS SOS emergency button  press SOS button in case of emergency, the machine will automatically save 2 files of the emergency as non-deletable files. 2.716:9 HD display, dual-lens can rotate by 180 Fast switch to the night-shoot mode, the mode is very effective to solve the overexposure problem, and thereby to see the license plate as clearly as possible. Unique and intimate design combining the wide-angle lens 120 degree and telephoto lens, so it is no longer just a simple decoration and the increase of camera angle. The machine can automatically detect and start the video when the vehicle starts, and support the video-recording while charging.