Unannounced Visit Investigation Forensics Special Equipment
Spy camera in screws
A Spy camera in screws with audio is a concealed surveillance device that disguises a screw cap. The design principle is that a pinhole microlens is covered with a screw plastic cap, which looks like a screw. It is almost impossible to detect. It captures video through a microlens and blends in with the surrounding screws to avoid attracting attention. A Wireless mini screw spy camera is usually installed in the holes of the fixture, pretending to be a screw. Screw cameras can be analog, wireless, and 4G network. For example, they can be installed on the holes of air conditioner fixing screws, or on the holes of sockets, or wire tubes. It is the tiniest IP screw spy camera.
Screw spy camera Feature
- CCTV HD AHD 2MP 1080P MIC Screw Lens 3.7mm Mini spy Camera
- Spy camera in screws built-in microphone with audio
- Screw spy camera conceal installation
- Power supply 5VDC power bank
- 4G WIFI and analog screw spy camera optional

How to tell if a screw has a hidden camera?
Identifying a spy hidden camera in a screw can be tricky. Screw-lens spy cameras do look exactly like screws, with the lens covered by the screw cap, making them hard to spot even with close inspection. But there are still some things to look for:
- Unusual location: If the screw looks out of place, like it’s on a surface that doesn’t normally need a screw, it could be suspicious.
- Lens reflections: Close the curtains and turn off the lights in the room. Shine a flashlight directly on the screw. If you see a small glint or reflection like glass, it could be a spy camera lens.
- Wires or openings: Check around the screw for any small holes, wires, or unusual gaps. Spy screws need these to connect to the camera lens or power.
- Scan for Wi-Fi signals: Some spy cameras emit Wi-Fi signals. Use a professional Wi-Fi signal detector to find screw spy cameras.
- Double-check: Especially for air conditioners or refrigerators, check for screws on thicker wires that shouldn’t be there.
These signs help detect if a screw could be hiding a hidden camera.
Are screw cameras real?
Yes, screw cameras are real. They are designed like button lenses, where a lens cap is placed over the lens. A button lens is a button cap, while a screw lens is a screw cap. Therefore, they are very hidden and difficult to detect. These cameras are often used for covert security, law enforcement, and private surveillance.






