"A functional 1080p webcam with a siren, priced like a disposable gadget."
The '1080P FHD' resolution means the video has a standard pixel count, but actual clarity is dictated by a very small, inexpensive sensor and lens; it's good enough to see a person is in the room, not to read text on a package they're holding.
This is for someone needing a basic room monitor, a 'is the dog on the couch' camera, or a visible deterrent for an interior space on a minimal budget. The local storage option makes it a default choice for anyone who refuses to pay monthly camera fees.
Anyone needing to reliably identify faces at a distance, capture clear detail in challenging light, or monitor a critical area should invest more. This device is a monitor, not a high-fidelity evidence-gathering tool.