F30 HD Dual Camera Lens Car Vehicle DVR Cam Dash Video Recorder 8 IR Lights SOS Unique human voice in Chinese, Russian and English, and a number of exclusive patents SOS emergency button C press SOS button in case of emergency, the machine will automatically save 2 files of the emergency as non-deletable files. 2.7 16:9 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