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Are you being watched?

Operating Principle

The SpyFinder hidden camera detector/locator is the most reliable and easy to use technology on the market for making sure that your private actions are not being watched.  Its function is based on the principle of optical augmentation.  This technical jargon refers to the phenomenon where light reflected from a focused optical system, such as a video camera, is reflected along the same path as the incident light.  This means that if hidden camera is illuminated and viewed with the SpyFinder technology, then a strong reflection from the target camera will reveal its position to the user.

The SpyFinder PCL-03 exploits this phenomenon by using a ring of ultra-bright LEDs arranged around a viewing port.  When a user scans a room looking through the viewing port, a hidden camera appearing in the field of view will brightly reflect the light from the LEDs.


While the equivalent of rocket scientists thought up the SpyFinder technology, operating it is not rocket science.  Simply look through the viewing port (see photo) and depress the button to activate the LEDs.  Slowly scan areas where hidden cameras are suspected and look for small, but very bright reflected spots.  Remember most hidden video cameras use pinhole camera lenses, so the spot you are looking for is small.

To give you a feel of what you are looking for we have included a training aid on the back of the SpyFinder package.  This card has a simulated hidden camera.  Try placing this card in various locations in a room and practice scanning for hidden cameras.  You will see that it does not take long to become an expert at finding hidden cameras.

Tricks of the Trade

In most situations some objects in a room being scanned will generate false positive signals.  These are caused by items that reflect the light from the LED sources.  Curved surfaces that are reflective are the most common things that can resemble a hidden camera viewed through the SpyFinder.  For example, door knobs or other rounded metallic surfaces will produce reflections, but there are a couple of very easy techniques to use to eliminate these false positives.


One of the most effective ways to differentiate a false positive signal is to move your vantage point.  A camera being detected in the scene will not move relative to its surroundings,while a false positive will.  For example, consider a wall clock that has a domed plastic cover and a pinhole camera concealed under the numeral six on the clock face.  When the SpyFinder is used to scan the clock, a reflection will be noted where the camera is located beneath the six and a reflection will also be noted from the plastic cover.  However, if move your vantage point just a little you would notice that the location of the false positive reflection point from the plastic cover will move.  However, the reflection from the camera will remain underneath the six on the clock face.

Remember that we said the SpyFinder works by having you look for cameras very close through to the light source.  However, false positive do not.  This means that if you see a suspected reflection while looking through the SpyFinder with your right eye, simply close that eye and look at the scene with your left eye.  If the reflection your were suspicious of is visible with both eyes, then it is just a reflection.  If it appears much dimmer, then beware.  It could very well be a hidden camera.4.0  Battery Replacement

The only maintenance required of the PCL-03 is to change the batteries.  The device is powered by two AAA batteries.  These will provide over two hours of on time.   To replace the batteries, the Phillips head screw should be removed from the back of the unit.  The back cover can then be lifted off to expose the batteries.  The old batteries should be discarded appropriately and fresh AAA batteries should be installed with the polarity show on the back of the circuit board. 



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