If you search for Rim4K Full on Amazon or AliExpress, beware of fake specifications. A $40 camera claiming "4K Full" is mathematically impossible. The processor alone costs $25.
To understand why this standard is the current "gold standard" for displays, we need to look at the technology that powers it and how to ensure you are getting a "full" 4K experience. What is Full 4K Resolution? rim4k full
Assuming you have a Rimtec RDC-40, RDC-50, or a generic "Rim" Android head unit with a dash cam input, follow these steps to unlock "Full" potential: If you search for Rim4K Full on Amazon