Recording audio without consent is often more strictly regulated than video-only recording under wiretapping laws.
It is generally legal to record video in your own home without consent (e.g., nanny cams), but recording in areas where there is a "reasonable expectation of privacy" (like bathrooms) is a criminal offense in most jurisdictions.
These clips typically use fixed-angle, low-resolution footage from cameras disguised as household objects (clocks, smoke detectors).
If "Skrytá kamera (05)" refers to a generic mini-camera device (often sold for under $40), reviews from experts like those at FoxTailWhipz and SecurityBros suggest the following:
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