How to Detect Hidden Cameras ? [EASY with 6 SIMPLE Steps]

You are doubt having hidden cameras and how to detect hidden cameras in your home, hotel…?

Take This Step-by-Step Guide.

What’s the how to find out hidden cameraseasiest way to detect hidden secret cameras in your apartment, house or hotel room?

How to find hidden security cameras behind mirrors?

We’ve summed 6 effective ways to help you spot hidden surveillance cameras and listening devices planted in both outdoor and indoor areas, including your hotel room, in the bathroom, at your home, and wherever you are.


Read more: 10 secrets methods to hack security cameras from hackers

6 Simple & Useful Steps to Detect Hidden Spy Surveillance Cameras

The below step-by-step guide enables you to find hidden cameras within minutes. Most of the ways are totally FREE! Sometimes just a little trick can make the spy cameras no place to hide.

Detecting Hidden Cameras Within Minutes in 6 steps

  • #1. Scan the Environment Carefully
  • #2. Turn off the Lights in the Room
  • #3. Use Your iPhone or Android Mobile Phones
  • #4. Apply a Professional Detector or Sensor
  • #5. Check the Mirrors at Your Place
  • #6. Use the Flashlight to Find Hidden Cameras

#1. Scan the Environment Carefully to Detect Suspicious Hidden Video Cameras

One of the easiest way to detect hidden cameras is checking around the environment carefully. An inch-by-inch search would be helpful to spot “obvious” hidden cameras at the first step.

1.1 Most Common Places to Find Hidden Cameras Indoors

  • Smoke detectors
  • Air filter equipment
  • Books
  • Wall décors
  • Electrical outlets
  • Desk plants
  • Tissue boxes
  • Stuffed teddy bears
  • Couch cushions, table tops, and shelves
  • DVD cases
  • Lava lamps

1.2. Most Common Positions to Locate Hidden Cameras & Microphones Outdoors

  • House plants
  • Holes on the doors
  • The roof the house
  • The doorbell outside your home

Some objects may reveal suspicious wires, lights or lenses that are hallmarks of hidden spy cameras. If you find some unusual power outlets or adapters, unplug them immediately.

Listen as you walk through the entire room. Some hidden motion-sensing surveillance cameras would make an almost inaudible buzz when in operation.

#2. Turn off the Lights in Your Room to Spot Hidden Night Vision Cameras

You can use the night vision security camera working principle to find hidden cameras in your room. Most hidden security cameras have red or green LEDs. The LEDs will blink or shine when in low-light conditions.

When in low-light conditions, the LEDs around the camera lens will turn on automatically to supplement the lighting for the cameras to produce clear night vision images.

You can follow the below steps to find hidden IP cameras when in dark conditions.

  • Step 1. Draw the curtains in your room, and turn off the lights.
  • Step 2. Check whether there are blinking red or green LEDs in your room.

No matter what hidden cameras you want to detect, wired or wireless types, you can use this way to detect surveillance CCTV cameras in your car, in stores, in the living room, bedroom, at your home, etc.

Should-Not-Miss Tip: It’s also an easy way to check if a security camera is on.

#3. Use Your Mobile Phones to Locate Hidden CCTV Surveillance Cameras

Many Quora posters① ask whether they can use their mobile phones to find hidden cameras, and the answer is “Yep”!

There are 2 easy and free ways you can take to find hidden cameras using your iPhone or Android smartphones even without detectors.

Way 1. Use a Phone Call to Check for Hidden Cameras & Microphones

  • Step 1. Make a phone call with your friends or family.
  • Step 2. Walk around your room. Hidden surveillance normally would give off a special radio frequency that would interfere with your phone call signal.

If you notice that there is signal interference in a specific place or position, stop and check this place carefully to find out whether there is a hidden security camera there.

Way 2. Use Mobile App to Find Hidden Cameras & Listening Devices

  • Step 1. Install a “detect hidden cameras” app on your iPhone or Android mobile phones. For example, “Spy hidden camera detector” app (.apk) software is a good option.
  • Step 2. Launch the app on your mobile phone. The detector software will display a red glow when your smartphone approaches a hidden camera. Please note that it will also glow when near other types of hardware with radio frequency.

Helpful Tip: When you are traveling and stay in the hotel room, you can take a portable battery security camera with you. You can put it in your hotel room to see who entered your room without your permission. With a security camera installed in your hotel room, you can also keep tab on your stuff.

[Video] How to detect Spy Camera with your Phone

#4. Get a Professional Detector or Sensor to Spot Hidden CCTV Cameras

Professional RF signal detectors or other bug detectors are quite effective to locate hidden security cameras.

A lot of news have reported that people keep finding hidden cameras in their rental Airbnb② homes. If you go on business or a vacation and rent an Airbnb house, you can find the hidden cameras with the detector quickly.

How to Detect Hidden Cameras Using a Detector

  • 1. Buy a professional detector on Amazon or other online shops. The price varies greatly, ranging from several bucks to hundreds of dollars.
  • 2. Turn on the device and do a sweep of your room to detect hidden pinhole video cameras.

Typically the detectors will beep when they detect a signal, giving you an audible indication when you near a potential camera.

Please note that the RF hidden camera detector typically only picks up a kind of frequency. If the hidden security cameras and other bugs use multiple frequencies changing rapidly, the detector might not detect the presence of hidden spy cameras.

Good news is that bad guys would not install hidden cameras with complex frequent network signals, since this type of hidden spy cameras is much more expensive.

#5. Check the Mirrors in Your Room to Pinpoint Hidden Spy Cameras

Remember to find hidden cameras in the mirrors in the toilet, changing or trial rooms, etc. As you may know, some awful guys would install a hidden spy camera on the other side of a mirror that is see-through, while the other side looks the same as a normal mirror.

An active poster asked for help on Quora③ to find whether there are hidden cameras in the bathroom mirror.

There’s a useful tip you can use to detect such two-way mirrors in fitting rooms, toilets, bathrooms, etc.

  • 1. Put your fingernail on the mirror.
  • 2. Observe the gap between your finger and the mirror.

If there’s a gap between your finger and the image, it’s a real mirror. If you finger and the image touch tip to tip, there would be a hidden spy camera in the mirror.

You can also use this trick to know whether there are hidden cameras in your hotel rooms when you travel.

#6. Use Flashlight to Find Hidden Cameras

A straightforward way to detect hidden cameras is using the flashlight (works best in dark conditions).

  • 1. Turn on the flashlight and turn of the lights in your room.
  • 2. Pan the flashlight around the room.

Go slowly and examine any suspicious positions from different angles. If you notice any reflective lights from an object, there might be a hidden camera there.

We also sum up the top 6 ways in the below infographic and video (you can share with your friends and family).

Detecting Hidden Cameras by 6 steps in 1 minute
Detecting Hidden Cameras by 6 steps in 1 minute

[Video] How to Detect Hidden Cameras

How Do Hidden Spy Cameras Work?

Hidden spy camera technology can be very confusing and it can seem so overwhelming you don’t even try to understand how it works. We are going to break it down and make it very easy to understand. There are exceptions for this basic explanation but understanding the basics will make those exceptions easier to understand.

There are three basic components that make a hidden spy camera : 1) the camera,2) a recording device ( VCR or DVR), and 3) a monitor to watch your recorded video.

1) The camera is pretty simply to understand.

  • It is usually a board camera installed in an everyday object. You want the object to blend into its surroundings and there are hundreds of choices ranging from DVD players, any kind of clock you can think of, iPod docking stations, plants, picture frames, tissue boxes, and the list goes on for you to choose from.
  • The camera can be wired, which means your spy camera connects directly to your recording device (DVR or VCR) using a cable. The spy camera can also be wireless. A wireless spy camera has a built in transmitter, which transmits a signal to a receiver that is connected to your recording device.

2) The recording device is the DVR or VCR which is needed to record the video your spy camera captures.

3) The monitor is needed to watch your video.

  • Just plug your DVR or VCR into your monitor to view the video. Your camera captures the video, your recording device records what the camera captures, and you monitor is what you watch the video on.
  • If you are using a DVR card and have a computer, then the DVR card will turn your computer into a DVR and monitor.
  • A very simple hidden spy camera to use is the self-recording spy camera. These units have a built in DVR, so there are no wires or receivers to connect. Just place the self-recording hidden spy camera in place, turn it on and the unit will record the video onto a SD card. Pop out the SD card, plug it into a computer and watch your video. Very simple.

This will give you a better understanding on how a hidden spy camera works so when it comes time to purchase one you have a better understanding of what you will need and how it works.

What to Do If You Detect Hidden Spy Surveillance Cameras at Your Place

If you find hidden cameras in your room, you should take the below procedures.

  • Step 1. Don’t move or touch the hidden cameras. (The police would collect the fingerprints to locate the criminal.)
  • Step 2. Take all of your belongs out of the viewing angle of the camera.
  • Step 3. Take pictures of the camera for evidences.
  • Step 4. Call the police or other authorities to investigate the case.

Hottest Questions on How to Find Hidden Cameras & Microphones

We are always trying to answer as many questions as you may have on how to detect hidden cameras. If you have other questions or any insights, leave them in the comment below! We will feature your ideas in this post.

Q 1. What Do Hidden Cameras Look Like?

  • A 1: Hidden cameras come in different sizes and shapes, and they can look like almost everything. Hidden spy cameras can be as small as the pinhole or keychain, and they are often placed in our everyday devices, such as smoke detectors, adapters, etc.
What Do Hidden Cameras Look Like
What Do Hidden Cameras Look Like

There are several popular types of hidden cameras in the market:

  • USB flash drive spy cameras
  • AC adapter type
  • Smoke detector type
  • Clock radio type

Q 2. How Do Hidden Camera Detectors Work?

  • A 2: An OP on Quora④ would like to know about the operation theory of the hidden camera detectors, and we add this question here.

Most spy camera detectors mainly offer 2 ways to find hidden cameras:

  • Check for the reflective lights from the camera lens (like using a flashlight).
  • Detect the RF broadcast of the camera. Typically the detectors will beef when they find the signal, and give you the audible alerts.

Q 3. How to Deal with My Boss, Parents and Neighbors Spying on Me with Hidden Cameras?

  • A 3: If you suspect your boss, parents or neighbors are bugging you, you can use the above top 6 ways to find the hidden cameras.

Take pictures of the hidden camera if you find it, and then report it to the police immediately.

Q 4. Legislation on Hidden Cameras

  • A 4: Laws have strict legislation on privacy. Under no circumstances should anyone use hidden cameras to do illegal spying or surveillance.

Hidden spy cameras are not allowed in the below areas:

  • Restrooms
  • Other people’s homes
  • Dressing rooms
  • Locker rooms
  • Other areas that related to personal privacy

Laws also require that people cannot gather audio from:

  • Eavesdropping
  • Remote recording
  • Other illegal audio recording methods

Q 5. How can I locate a hidden camera in my home?

Without a doubt, the most crucial aspect of setting up a hidden camera is setting the perfect spot to place it. To wit, the first thing you’ll want to consider is the person you want to monitor and where they’ll likely be staying. Make sure that you set up the camera in a spot where it can easily point to this person without encountering any visual obstructions.

Place the camera so that it has a direct line of sight to whatever it’s monitoring. The most important part of installing any hidden camera is finding the right place to put it. The first thing you should do is to think about where the person and/or behavior you’re monitoring is likely to occur. Make sure your camera is in a place where it can point directly to this area with no visual obstructions present.

  • For example, if you were worried about someone breaking into your home while you were away, you could place cameras near your doors and windows.
  • #1. If you suspected a partner cheating on you, you might place a camera facing your bed or pointing towards the passenger seat of your partner’s vehicle.
  • #2. If you were worried about how a nanny was treating your baby, you would point the camera facing your child’s crib.
  • #3. If you want to feed the neighborhood cats, you might want to check to see if other animals you would rather not feed are frequenting the food bowl.
  • #4. If you live in an area where passersby may see your camera, you would want to keep it disguised to prevent theft. In this case, you would keep your camera hidden and pointed at the food.

Consider sound quality. If you’re also trying to record crisp, clear sound, you will need to position your camera in a place that’s conducive to audio recording. Make sure it’s as close as possible to where you think the speaker will be. The camera should not be near anything noisy, such as a television or radio, which may drown out the speaker’s voice or make it difficult to understand.

  • For example, if you’re installing a camera in a room with a television, place it on the opposite side of the room.
  • Place a camera near a couch or chair your target is likely to sit in.
  • When installing your camera in a car, place it away from the car’s speakers.

Put the camera near its external power supply if necessary. While many modern hidden cameras are battery operated, some rely on an external power source and may need to be plugged into an available wall socket. If your camera draws power in this way, put it in a place close to an electric socket. The plug and wires will need to be either hidden or disguised as some mundane household appliance

Consider optimal network connection:

There are some cameras that have internal storage, while others just use some sort of network connection to broadcast videos (there are also some hybrid cameras that work with both).

  • If your camera uses an Ethernet or USB cable to connect, then you need to place both the camera and the cable in an inconspicuous place. Keep it in close proximity to the router that t is connected to.
  • If you purchase a camera that connects wirelessly, make sure that it is within wireless connection coverage.

Protect your camera from weather elements:

  • If you’re installing an outdoor camera, make sure that it is weather resistant and place it in a spot where the chances of weather-related damage occurring to it are low in the first place. Basically, make sure that the camera is suitable for outdoor use.

Visit more:

How To Install CCTV Cameras: 7 Simple Steps

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