The 6 Best Hidden Camera Detectors Today

best hidden camera detectors

The 6 Best Hidden Camera Detectors Today

Unfortunately, we live in a world where our privacy is increasingly at risk. As technology advances, so too do the methods used to invade our personal space.

The proliferation of hidden cameras in our daily lives has become a growing concern. These miniature surveillance devices can be surreptitiously placed in our homes, workplaces, public spaces, and even personal belongings.

In this article, we’ll take a look at the top hidden camera detectors for every need, empowering you to regain control of your privacy.

#1 Best Overall: Knight KT9000

#1 Best Overall
Knight Premium Hidden Devices Detector
  • RF detector and bug detector
  • Hidden camera finder
  • GPS tracking/radio frequency signal detection
  • Anti-spy detector
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01/17/2024 11:15 am GMT

The Knight Hidden Camera Detector is a professional-grade surveillance detector, capable of identifying nearly any kind of surveillance device.

The Knight Premium Detector has an intuitive interface and user-friendly controls, clearly displaying real-time information on detected signals. To ensure user proficiency, it is accompanied by a detailed user manual that offers step-by-step instructions. Additionally, an instructional video is included, providing a visual aid for users to maximize their understanding of the device’s operation.

The viewfinder is the most user-friendly feature, making it easy to spot even the tiniest camera lenses. It’s designed as a standalone device that attaches to a keychain, allowing you to scan for hidden cameras wherever you are.

For deeper scanning, the detector can identify devices emitting RF signals and magnetic fields. These features are exceptionally sensitive, ensuring you always detect concealed devices. While the most common complaint about this model is that it’s too sensitive, users should note that sensitivity settings are adjustable.

Check out the Knight Hidden Camera Detector on Amazon.

Radio Frequency Detection
Magnetic Field Detection
Infrared Camera Detection
AI Auto Scan
Camera Lens Viewfinder
Size4.9″ x 2″ x 0.8″
Weight6.4 Ounces
It’s professional-grade but also user-friendly.Some users may find the device overly sensitive.
You will receive detailed instructions on how to use it.
The standalone viewfinder simplifies the detection of camera lenses.
It can scan for nearly any type of surveillance device.

Best Budget-Friendly: TANHUKEN Hidden Camera Detector

Best Budget-Friendly
TANHUKEN Hidden Camera Detector
  • Anti-spy detector
  • Hidden devices
  • Bug RF
  • Lightening device car
  • GPS tracker
  • 4 levels
  • For home, office, travel, car
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01/17/2024 11:29 am GMT

For less than $30, the TANHUKEN Hidden Camera Detector offers an affordable yet accurate surveillance detection solution.

It can identify wireless cameras, GPS trackers, and similar intrusive devices using multiple different modes. The availability of four adjustable sensitivity levels further enhances its versatility. This allows users to fine-tune sensitivity, according to the different environmental conditions, whether a broader area sweep or pinpoint detection is required.

Furthermore, it has a remarkably compact and slender profile, weighing less than a typical cell phone. So, wherever your travels take you, this device can conveniently offer an added layer of security.

While this model is versatile and compact, past customers have noted that the user manual contains distracting grammar mistakes. This may make it more difficult to fully grasp the device’s capabilities and optimize its performance.

Additionally, some users noted that the range is fairly small. This means that you may have to be right on top of your target in order to find it.

You can find the TANHUKEN Hidden Camera Detector on Amazon.

Radio Frequency Detection
Magnetic Field Detection
Infrared Camera Detection
AI Auto Scan
Camera Lens Viewfinder
Size4.69″ x 2.64″ x 1.46″
Weight2.64 Ounces
It’s a cost-effective and portable solution for surveillance detection.The user manual may be more difficult to understand.
Multiple modes allow it to detect different types of surveillance equipment.Detection ranges may be small compared to other options.
The four adjustable sensitivity levels allow users to customize sensitivity levels between pinpoint and wide scans.

Best All-in-One: JMDHKK Bug Detector

Best All-in-One
JMDHKK Bug Detector
  • Anti-spy detector
  • GPS and RF detector
  • Anti-tracking
  • Strong magnetic
  • Listening device in office, car, meeting
  • Audio only
We earn a commission if you make a purchase, at no additional cost to you.
01/17/2024 11:40 am GMT

The JMDHKK Bug Detector is a 4-in-1 device that helps you find hidden cameras, eavesdropping devices, GPS trackers, and other types of surveillance equipment.

The RF Bug Detector can identify signals from concealed devices and shows the signal strength as you approach the source. When the device is in close proximity, it will activate an audible alert, signifying the presence of a potentially suspicious device.

In some cases, RF detection may not be enough to detect GPS trackers which may only transmit when in motion. To pinpoint these devices, you can use the magnetic field detector which easily identifies magnet-mounted GPS trackers.

While these methods are useful, the quickest and easiest method for spotting a hidden camera is to use the viewfinder. When you peer through the viewfinder, you can spot even the tiniest pinhole cameras which light up and turn bright red.

Although this is a powerful and versatile device, the most common complaint is that it detected too many false positives. This can frustrate users, as false positives can lead to unnecessary concerns and time-consuming investigations.

You can find the JMDHKK Bug Detector on Amazon.

Radio Frequency Detection
Magentic Field Detection
Infrared Camera Detection
AI Auto Scan
Camera Lens Viewfinder
Size4.9″ x 2.1″ x 0.86″
Weight11.2 Ounces
Multiple modes offer can detect a variety of surveillance devices.It may detect false positives.
Its straightforward interface allows you to identify surveillance equipment quickly.
It includes an easy-to-use viewfinder which illuminates camera lenses.

Most User-Friendly: ARZER K18S

Best User-Friendly
Arzer K18S Hidden Camera Detector
  • Anti-spy detector
  • Bug and camera detector
  • GPS detector
  • RF signal scanner
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01/17/2024 11:50 am GMT

The ARZER K18S offers identical features to numerous higher-priced alternatives, all controlled via a straightforward interface with just two intuitive buttons.

Using multiple detection modes, it can pick up wireless cameras, wiretapping equipment, magnetic tracking devices, hidden camera lenses, and other common surveillance equipment. Detection alerts are provided through sound and vibration, ensuring peace of mind during operation.

Since it’s lightweight and compact, this device is well-suited for travel, allowing you to take it with you on business trips, vacations, or any situation where privacy concerns may arise. Furthermore, its rechargeable battery provides up to 30 days of standby time, ensuring that it’s ready whenever you need it.

The most common complaint about this item is that it’s too sensitive, alerting for everyday items like router boxes and cell phones. However, it’s important to recognize that hidden camera detectors cannot distinguish between malicious and innocent devices.

Discover the ARZER K18S on Amazon.

Radio Frequency Detection
Magnetic Field Detection
Infrared Camera Detection
AI Auto Scan
Camera Lens Viewfinder
Size4.9″ x 2.1″ x 0.86″
Weight11.2 Ounces
It’s a budget-friendly choice for those seeking privacy protection.Some users may feel this device is too sensitive.
Multiple detection modes allow users to identify different types of surveillance equipment.
The straightforward interface with just two intuitive buttons makes it easy to operate.
Its lightweight and compact design makes it suitable for travel, and the rechargeable battery ensures the device is always ready.

Most Discreet: LOQEJO Hidden Camera Detector

Most Discreet
LOQEJO Hidden Camera Detector
  • Anti-spy detector
  • RF listening
  • Car GPS tracker
  • For home, office, or travel
We earn a commission if you make a purchase, at no additional cost to you.
01/17/2024 03:36 pm GMT

The LOQEJO Hidden Camera Detector weighs roughly half an ounce and is about the same size as an ink pen, making it a great option for discreet privacy protection.

Its small and lightweight design allows you to carry it discreetly in your pocket or purse, ensuring that you can have it on hand whenever you need it without drawing attention. Despite its size, the screen remains highly visible and offers straightforward information, indicating the current operational mode and the signal strength detected by the device. This valuable feature aids users in swiftly recognizing potential safety concerns, enhancing their ability to protect their privacy effectively.

Users can depend on this device to identify wireless cameras, GPS trackers, and even surveillance equipment emitting very high frequencies that are typically more challenging to detect.

Past customers have not reported any drawbacks or issues with the product. Nonetheless, for optimal results, it’s recommended to familiarize yourself with the device’s operation.

You can find the LOQEJO Hidden Camera Detector on Amazon.

Radio Frequency Detection
Magnetic Field Detection
Infrared Camera Detection
AI Auto Scan
Camera Lens Viewfinder
Size1.97″ x 2.76″ x 2.36″
Weight0.71 Ounces
The device is small enough to fit comfortably in your pocket.There may be a learning curve in understanding and maximizing the device’s features.
An easy-to-read screen provides important information about the current mode and detected signal strength.
Users can rely on this device to detect an array of surveillance equipment.

Most Sensitive: Navfalcon Hidden Camera Detector

Most Sensitive
navfalcon Hidden Camera Detector
  • RF detector
  • GPS tracker
  • Anti-spy detector
  • Infrared finder
We earn a commission if you make a purchase, at no additional cost to you.
01/17/2024 03:40 pm GMT

The Navfalcon Hidden Camera Detector can pick up wireless cameras within the frequency range of 1.2G to 5.8G and RF signals between 100MHz and 8GHz, making it one of the most sensitive surveillance detectors on the market.

This 4-in-1 device can identify covert radio wave devices, wireless cameras, magnetized GPS trackers, and spot hidden pinhole cameras through laser scanning.

One of its best features is the GPS tracker detector which has strong anti-interference capabilities and an effective detection range of up to 15 square meters. It utilizes a digital receiving mode to reduce signal interference, significantly improving sensitivity, and rapidly identifying radio wave sources.

However, since this device has multiple features, users may find it to have a higher learning curve than other models.

Check out the Navfalcon Hidden Camera Detector on Amazon.

Since it’s so sensitive, it can detect surveillance devices that other detectors may miss.It may require some time and effort to fully understand and utilize all of its functionalities effectively.
It can identify a wide range of surveillance devices.
Anti-interference capabilities make it easy to find a GPS tracker.
best hidden camera detector
If you’re not on the lookout, hidden cameras can be difficult to spot.

How to Pick the Best Hidden Camera Detector: Step-by-Step

When choosing a hidden camera detector, there are four main considerations for most buyers. 

  • Versatility
  • Sensitivity
  • Ease of use
  • Portability

Let’s review each of these criteria in more detail.


A versatile hidden camera detector will allow users to identify different types of hidden cameras and audio recording devices in various environments. By having a detector that can adapt to changing surveillance techniques, individuals can maintain their privacy with confidence.

When choosing a versatile hidden camera detector, look for a device that offers a combination of detection methods. Ensure it covers a broad frequency range for RF detection and provides adjustable sensitivity settings. The detector should also have features like a frequency display and a signal strength indicator.


Sensitivity in a hidden camera detector refers to its ability to detect weak or subtle signals emitted by hidden cameras and surveillance devices. It is crucial because some surveillance devices, especially those designed for covert spying, may transmit signals at low power levels to avoid detection. High sensitivity in a detector ensures that even these faint signals are identified, increasing the chances of discovering hidden cameras.

We recommend looking for models with adjustable sensitivity settings. This feature allows you to fine-tune the detector to match the specific environment and signal strength you expect. Additionally, check for a device that can accurately pinpoint weak RF signals and has an easy-to-read display for signal strength.

Ease of Use

You should be able to use a hidden camera detector even if you’re not tech-savvy. If your device is overly complicated or confusing, it can be a hindrance in stressful situations where quick action is needed to protect your privacy.

An easy-to-use detector with clear indicators and straightforward controls allows users to efficiently and confidently scan their surroundings for hidden cameras without requiring a steep learning curve.

When selecting a hidden camera detector based on ease of use, consider devices with intuitive interfaces and well-labeled controls. Look for clear, easy-to-understand indicators, such as LED lights or digital displays, that provide instant feedback.


While there may be cases when sweeping for surveillance equipment within your own home is necessary, most people find detectors more valuable in locations where strangers have had access. In these situations, such as hotel rooms, vacation rentals, or public restrooms, the need for privacy protection becomes more pronounced.

A hidden camera detector should be small enough to travel with, ensuring that individuals can protect their privacy wherever they go.

best hidden camera detectors
Hidden cameras are designed to be small and inconspicuous.

What to Know Before Buying a Hidden Camera Detector

Best Use Practices

One of the most common complaints about hidden camera detectors is that they are too sensitive, alerting for everyday items that emit signals. This oversensitivity can lead to unnecessary stress and frequent false alarms, causing users to lose trust in their detector’s accuracy.

Before using your device, we recommend turning off the power to your personal cell phones and other wireless devices that may be in close proximity. By minimizing potential interference from known signal sources, you can enhance the detector’s ability to focus on identifying actual hidden cameras and surveillance equipment.

Using a Hidden Camera Detector: What It’s Like

Typically, there is a learning curve involved in using a hidden camera detector, even for user-friendly models. Different detectors employ various methods to identify hidden cameras, such as radio frequency scanning, lens detection, or infrared detection. Learning how each method works and when to use them can help you maximize their effectiveness.

As with any skill, practice makes perfect. Once you get the hang of it, using a hidden camera detector can make you feel empowered and in control of your personal space. It allows you to take proactive steps to protect your privacy and security.

Up Next:

Frequently Asked Questions

Are hidden cameras legal?

The legality of hidden cameras varies from state to state. However, they are generally illegal in cases where people have a reasonable expectation of privacy such as bedrooms, restrooms, and other private spaces.

What should I do if I find a hidden camera?

We recommend contacting the police as soon as possible if you happen to find a hidden camera where it shouldn’t be. Law enforcement can initiate an investigation to determine the source and has the power to take action against responsible parties.

If you are staying in an Airbnb, you should also contact the Help Center to let them know their host has violated the terms of their agreement. Airbnb hosts are always required to disclose the presence of recording equipment, even if it’s not hooked up.

Do hidden camera detectors work in the dark or low-light conditions?

Depending on the mode you are using, hidden camera detectors will work in any light conditions. However, if you are using a viewfinder, you may need sufficient light to see through it.

Do I need any special training to use a hidden camera detector?

No, you do not need special training to use a hidden camera detector. However, you need to understand how it works to maximize its effectiveness.

How small can hidden cameras be?

Hidden cameras can be as small as a few millimeters, making them extremely difficult to detect.

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