How do you find a hidden camera on Bluetooth?

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 beep when they find the signal, and give you audible alerts.

How small is the smallest camera?

The world’s smallest camera has just famously entered the Guinness Book of Records, with the OmniVision OV6948 as small as a grain of sand. OmniVision OV6948 measures in super-small at just 0.575 x 0.575 x 0.232mm and is good for 40,000-pixel color images using an RGB Bayer back-side-illuminating chip.

Is there a device that can detect hidden cameras and microphones?

RF detectors enable you to scan for radio frequencies emitted by hidden cameras and microphones. The detector will give off a small beeping or crackling noise when pointed at an item that gives off radio frequencies.

How can I detect a spy camera in my room?

Detect Hidden Spy Surveillance Cameras — 7 Simple

Scan the Environment Carefully.
Turn off the Lights in the Room.
Use Your iPhone or Android Mobile Phones.
Apply a Professional Detector or Sensor.
Check the Mirrors at Your Place.
Use the Flashlight to Find Hidden Cameras.
Check for Hidden Devices with Wi-Fi Sniffing Apps.

Is it legal to put cameras in bedrooms?

In NSW secret surveillance comes under the Surveillance Devices Act 2007. It is legal to install surveillance cameras on your property, but not in bathrooms or bedrooms without the consent of the person being filmed.