Camera detectors can detect most types of cameras, including wireless and wired cameras. However, they may not be able to detect some types of cameras that are designed to be completely hidden or disguised, such as pinhole cameras or cameras hidden inside objects like clocks or picture frames, where no lens is visible.
In addition, some hidden camera detectors are more effective than others, and their ability to detect cameras may also depend on factors such as the strength and frequency of the camera’s signal, as well as the sensitivity and quality of the detector itself. It’s important to choose a high-quality detector and to carefully follow the manufacturer’s instructions in order to get the best results.
Additionally, a signal detector wouldn’t detect a hidden camera which has no wireless functionality, and many hidden cameras may only record footage on local SD cards.