: Many hidden cameras use Infrared (IR) for night vision. While the human eye can't see IR, many front-facing smartphone cameras can. Turn off the lights and look through your phone's camera for small glowing purple or white dots.
If you are concerned about privacy while traveling, you can use your smartphone to scan for surveillance equipment. free hidden camera
: Apps like Detekcam claim to use AI or magnetic sensors to find lenses or electronic signals. DIY Free Detection Methods : Many hidden cameras use Infrared (IR) for night vision
: In many regions, it is legal to have cameras in your own home, but it is strictly illegal to record someone in a place where they have a "reasonable expectation of privacy," such as a bathroom or bedroom. free hidden camera