Product features: UPGRADED STUNNING 4K UHD – With the front cam’s resolution upgrading to 2160p from 1296p as of December 1, 2022, this G840S rear view mirror camera can record you 4K front images and 1080p rear images. The full rear display is 1.5 times larger than an ordinary rearview mirror, which has significantly reduced rearview blind spots. 12” LARGER SCREEN & BROAD VIEW – Upgraded from most rearview mirror cameras, 170° front, and 140° rear lens provide an ultra-wide view, minimizing the blind spots for safe driving/reversing. With the smart screen split function, you can observe a dual-lens display simultaneously. With a 2.5D curved screen, the body is more smooth and more suitable for the curvature of the human retina. Its OEM looking makes the mirror camera perfectly integrat.