How to find a hidden camera

    Cameras have lenses that can measure only 1/16th of an inch wide and they can cover a standard room in high-definition video. (KOKH)

    Cameras are everywhere these days and the technology that helps provide protection for your valuables can also be used against you.

    As FOX 25 has reported in the past on criminal investigation that came from people finding illegally placed hidden cameras in restrooms and homes. It got us wondering if there is any way you can find a hidden camera before becoming a victim.

    Our investigation took us to The Spy Shack in south Oklahoma City where Elizabeth Jones sells a sense of security. She showed us the latest and greatest in hidden cameras that you can use to protect your home and property. With lenses only 1/16th of an inch wide you can cover a standard room in high-definition video.

    Jones said the key to finding any hidden camera is the lens itself. Every camera has to have a lens and of the least expensive pieces of counter-surveillance equipment you can find is a lens finder.

    The device, Jones showed FOX 25, emits a pulsating red light and to use it you look around a room through the device’s red-tinted viewfinder. A camera lens of any kind will reflect back as a bright red dot.

    The camera lens finder works on every camera whether it is transmitting or not. Some hidden cameras broadcast live video to the person who placed them. These cameras can operate either by wi-fi or Bluetooth. Both methods of transmitting video use radio waves.

    The next level of hidden camera detectors searches for wireless signals. FOX 25 purchased two competing brands of hidden camera detectors to put them to the test. One model was around $30 and the other was nearly $200.

    The difficult part of finding transmitting devices is the interference from our everyday wireless devices. Our test went to a room with limited wireless interference. Each device came with a sensitivity adjustment that allowed us to filter out background signals. During our testing, each device accurately found our simulated transmitting camera.

    You can also spend quite a bit more if you really want peace of mind. The Spy Shack showed us multiple devices that are capable of intercepting wireless video feeds. These devices range from a few hundred to more than $500 each.

    In another recent case involving illegal hidden cameras someone was installing them in homes and using that home's wi-fi signal to transmit the video. The experts say to help protect against this you should check to make sure you know all the devices that are connected to your wi-fi.

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