The MioFive S1 Ultra dash cam 4K + 4K offers a dual dash cam setup with two units – one for the front and one for the rear – with 4K resolution. If you're a tech-savvy person who keeps an eye ...

But what about one that records in 4K to the rear, too? That’s what makes the new Miofive S1 Ultra stand out from the crowd. As well as that headline-grabbing resolution, the S1 Ultra has Wifi ...