How to judge whether there is a camera when staying in a hotel room? I'm always sensitive

The most complete detection method of pinhole detection camera

The pinhole camera may be broadcasting your privacy live. What is the most reliable detection method?

Detector a: detects the signal type.

Turn on the device detection mode for detection, and will give an alarm when approaching the pinhole camera.

However, it may be affected by routers, mobile phones and other equipment in the room. It is recommended to turn off the mobile phones and routers when using them.

It has no effect on the local savings card camera.

Detection ability: 70%? Recommended index ☆☆☆☆

Detector b: strong light irradiation type

The device will emit red light to illuminate the object. If there is a camera, the human eye will see the reflection point through the red lens.

Closed pinhole cameras can also be detected.

It's just that the reflection point is small, so you have to be very careful to see it.

Detection ability: 70%? Recommended index ☆☆☆☆

Mobile phone:

Turn on the camera function of the mobile phone, and the mobile phone without infrared filter can detect infrared light invisible to the naked eye.

Not valid for ordinary cameras.

Detection ability: 50%? Recommended index ☆☆☆

This is the most comprehensive testing method on the market at present, but Bian Xiao suggests that you should find a professional testing institution for testing. There are blind spots after all.

Once you find a pinhole camera, you must call the police as soon as possible and let the police handle it.

Remember: take photos and leave evidence ~