The best security camera system with no monthly fee is usually a local recording system with an NVR, enough storage, outdoor-rated cameras, and app access.

PoE and wireless security camera systems solve different problems. PoE is usually better for stable recording, while wireless is better when installation.

Yes, some OHWOAI security camera systems can keep recording without WiFi when they use local storage through an NVR or recorder. WiFi mainly matters when.