A device directly over a bed or in the bathroom could be a good indicator of a possible hidden camera.
How to detect hidden cameras in a hotel or Airbnb IPVanish
Camera Hidden in Hotel Room? Easy Steps To Detect Hidden Cameras in Hotel Rooms Using Your Mobile Phone
7 Ways to Find Hidden Cameras Anywhere
Oppo's Color OS will now be able to detect hidden cameras in your hotel room - Phandroid
How to check for hidden cameras in Airbnb, VRBO, or vacation rentals
How to Detect a Hidden Camera Using an Android Phone
Is it true that all hotel rooms have cameras on them as part of security? - Quora
5 Ways to Quickly Check If There's a Hidden Camera in Your Dressing Room / Bright Side
5 Ways to Quickly Check If There's a Hidden Camera in Your Dressing Room / Bright Side
5 Smart Ways To Detect Hidden Cameras In Airbnbs, Homestays & Other Hotel Rooms