2160p dash cam with 3-inch screen 

If you want to buy a 4K driving recorder, you must know the Hikvision Dash Cam C6S(This link offer 32G TF CARD) Some dash cam on the market are fake 4K resolution products, so you must distinguish carefully to avoid being deceived by unscrupulous merchants. Hikvision is a real big brand, high-quality driving recorder. C6S is a real driving recorder with resolution up to 4K. It not only has high resolution, but also has a large aperture of F.175. You may ask, what is the use of a large aperture. Let us answer for you: Aperture determines the effect of night vision. For example, a recorder with high resolution and small aperture will also record unclearly in a dark environment at night. This is why many consumers think that the high-resolution driving recorder they bought Ye Ye still couldn't see why. The smaller the number after F, the larger the corresponding aperture, F1.75>F1.8>F2.0>F2.2 And download the special APP "HIKS DASH CAM" to view real-time video a…