"It promises three cameras and 4K for a price that guarantees significant compromises."
The '3-Channel 4K' marketing means you get three camera modules for a very low price, but the primary camera's video will likely be comparable to a mediocre 1080p stream, with heavy compression.
This is for a buyer on an absolute minimum budget who needs the simple presence of front, interior, and rear cameras for basic insurance liability purposes. It suits someone who accepts the risks of disposable electronics and understands they are not buying a high-fidelity evidence-gathering tool.
Anyone who needs to reliably capture license plates, especially at night or in motion, should invest more. Buyers who want a 'set-and-forget' device should also pass, as unbranded hardware often has software quirks and questionable long-term reliability.