That's a fire detector. The flashing red light is a patrol light, indicating that it is working normally. If it doesn't flash, it means that the detector is faulty or the system is faulty.
smoke detector
Smoke detector is actually another name for smoke detector or smoke detector. Smoke detectors can prevent fire by monitoring the concentration of smoke. An ion smoke sensor is used inside. Ion smoke sensor is a kind of sensor with advanced technology and stable and reliable work. It is widely used in various fire alarm systems, and its performance is far superior to that of gas-sensitive resistance fire detectors.
Camera or webcam, also known as computer camera, computer eye, electronic eye, etc. , a video input device, is widely used in video conferencing, telemedicine and real-time monitoring.
Ordinary people can also have video and audio conversations and communicate with each other on the Internet through the camera. In addition, people can also use it for various popular digital images, audio-visual processing and so on.