How to Check for Hidden Cameras in a Hotel Room

You can check a hotel room for hidden cameras in about fifteen minutes, if you work in a fixed order instead of wandering around guessing. Do the sweep before you settle in, while your luggage still blocks nothing and the room's clutter has not distracted you. Three passes, lights off to lights on, cover nearly everything.

Unpack nothing yet

Suitcases, garment bags, and charging cables obscure sightlines and hide the very spots cameras occupy. Make the sweep your first act, before the room becomes yours. If you do find a device, you will want as few of your belongings in the picture as possible when you report it.

First pass: lights off

Darkness reveals status lights. Many cameras show a tiny LED, often red or green, though some have lights that can be disabled, so absence proves nothing either. Scan the room slowly: smoke detector, vents, outlets, the television, decor above the bed, and anything facing the bathroom door. Pinholes are easier to spot in the dark against a lit background, like the standby glow of a TV.

What a status light looks like

A camera status light is a pinprick of steady red or green that you cannot attribute to any appliance you can identify. Smoke detectors and chargers blink on their own schedules, so learn the room's normal blinks first: stand still for a full minute and map every light that repeats. Anything left over, anything steady that should not be, earns a photograph and a closer look with the flashlight in the next pass.

Second pass: the flashlight glare test

Turn your phone flashlight on, kill the room lights, and hold the light at an angle to surfaces. A camera lens reflects a bright dot back at you while the wall around it stays dull. Sweep one section at a time: closet doors, tissue boxes, hair dryers, curtain rods, alarm clocks, and any object with a hole or a dark smudge that should not be there.

The mirror check

Press your fingernail against any large mirror. If your nail touches its reflection directly, the mirror is probably glass on solid backing; a visible gap can indicate a two-way mirror. The test is not foolproof, so treat a suspicious mirror like a suspicious hole: photograph it and report it.

Third pass: your phone's camera

Some phone cameras can see the infrared light that hidden-camera LEDs emit, showing up as a purple or white dot on screen when the room is dark. The catch: infrared filters vary between phone models, so this test is hit or miss. Test your phone first at home against a TV remote — press a button and watch the screen — so you know whether yours sees infrared at all. A negative result means nothing.

Linger longest where the lens would aim

A hidden camera only pays off for whoever placed it if it watches people sleeping, undressing, or using the bathroom, so budget your minutes accordingly. Spend most of the sweep on the sightlines to the bed and the bathroom door: the smoke detector above the bed, the television and its surrounding shelf, the alarm clock and any other bedside object with a dark dot or unexplained hole, and anything mounted high with a view of the bathroom entrance. A charger or speaker angled oddly toward the bed deserves a closer look than one facing the wall.

Keep this pass visual and hands-off: lean in, angle the flashlight, photograph anything odd, and move on. You are mapping suspects, not dismantling them, and the response steps below assume your hands stayed off every device you flagged.

What detector gadgets add

RF detectors hear wireless transmissions, so they only catch cameras that stream live; a camera recording to an internal card is silent. Detector apps are the least reliable tool, since they mostly scan for network names and can be fooled by anything else on hotel WiFi. Our detector app investigation explains those failure modes, and our free phone methods guide covers the flashlight and infrared tricks in more depth.

If you find one: do not touch it

Photograph the device from the doorway, leave the room, and call the police from the hallway or lobby — a hidden camera in a private space is a crime scene, not a complaint to the front desk. Ask the hotel to preserve any relevant records. Hidden camera laws vary by state and by country, and recording someone in a private space without consent is illegal in most US states, but the specifics differ, so check your own jurisdiction. Our state-by-state overview is a starting point, not legal advice.