Unannounced Visit Investigation Forensics Special Equipment
What does a camera inside a screw look like?
The Mini screw Camera means the lens of the spy camera looks like a screw. The lens of the Spy screw camera is disguised as a screw and hidden in a secret place without being discovered. It is composed of a lens and a screw cap. The camera inside the screw is a normal lens, and when you unscrew the screw nut, it becomes an ordinary camera lens. This lens cap can be a screw or a button. If replaced with a button cap, it will become a button camera. The screw cap has two colors: white and black screw camera. You can choose according to the hidden environment.

4G Wireless hidden screw spy cam Feature
- 4g wifi live stream on tuya App.
- Built-in microphone, external 28mm*31mm size speaker.
- Support two-way audio, double communication
- Screw len, shirt button len, pinhole len optional
- View words clearly on paper.
- MINI DVR is very small.
- Support 256GB SD Card.
- 2MP Resolution
- 3.7MM screw fixed focus lens.
- Power external battery 5V 1A
Can you get a camera in a screw?
Yes, you can hide the cameras in the screw. Here I will teach you how to DIY a screw cam:
- The lens needs to be very small, such as a lens with a diameter of only about 2mm
- Find a screw and remove the screw cap
- Make a pinhole in the middle of the screw cap
- Cover the screw cap on the lens, and you can use glue to stick the screw cap and lens together.
This type of device is called a “spy camera”. It can be hidden in a variety of everyday objects, including screws, light bulbs, buttons, mirrors, smoke detectors, and even photo frames and other daily necessities.
How do screw-in security cameras work?
Screw-in security cameras are disguised as spy screw cams, where the lens is usually hidden in the screw cap. About Screw camera installation, it can be mounted on a wall or in a fixture where the screw hole is located. From a distance, it is difficult to tell that the screw lens is a lens. These cameras transmit the same technology as regular 4G wireless cameras. For example, this screw lens spy camera with audio uses the Tuya APP, which is the APP used by smart home cameras, except that the cam lens is disguised as a screw. They can be used for covert surveillance in homes, businesses, or other environments that require discreet monitoring.



