How to detect hidden Camera in a Room

Are you in an hotel 🏩 for vacation and you are suspicious of been spyed on? Then you are at the right place. Here's how to detect a hidden camera in a room!

When you enter the room, turn off the lights and close the curtains. Open your phone camera and put off the flash. Turn around the room with your cell phone.
  When you see a red dot, that means a camera is installed.. Bt if u dont, you are set to go.