Highlights4K ultra-high definition dual recording - Compared with the ordinary 2K or 2.5k on the market, the 4K front camera records (3840 x 2160p) high-definition video. It uses high-quality image sensors, aperture and high transmittance glass lens. The front camera has better night vision effect. 150 ° double front and rear photography to reduce blind areas and provide sufficient evidence for rear end collision or collision9.66 "IPS full touch screen - the 9.66" full touch screen uses a 2.5D glass curved screen, which more closely conforms to the curvature of the retina of the human eye, conforms to the curved surface of the human finger, and makes the touch screen operation more smooth. Smaller size and firmer installation will not cause recorded video jitter, large screen playback, and restore the real scene.Circular recording and G-sensor - the integrated G-sensor will automatically lock the recorded video for safekeeping when detecting a collision. Even if the circular recording