Why is the red dot flashing on the smoke alarm?

A flashing red dot on a smoke alarm is not a hidden camera, but it does not rule out that some criminals will tie smoke detectors and cameras together to do illegal things.

Generally, the red light flashes back and forth when the smoke detector is working. If it stays on, it means it has been triggered, and the property management company needs to turn it off. If you want to know if there is a camera inside, you can turn off the windows and lights in the room, then turn on the camera of your mobile phone, do not press the shutter or turn on the flash, and check around the room. If there are red dots, it may be Camera.

A flashing red smoke alarm is a sensor, which also proves that it is working. Smoke alarm, also known as fire smoke alarm, smoke sensor, smoke sensor, etc. There is no sound at the scene when the alarm occurs, and the host has sound and light prompts. This type of smoke alarm is generally called a smoke detection device.

Functional characteristics of photoelectric smoke alarms

1. When substances burn, smoke is often produced first, and then visible and invisible light are produced. Smoke alarms can operate in all directions 360 degrees ° Detection, once the "signal" of the burning object is "captured", it will be converted into an output signal and uploaded to the fire protection system.

2. When the smoke reaches the predetermined threshold, the device sends alarm information to the gateway, and the alarm inside the device will simultaneously emit a clear and loud alarm sound until the danger is eliminated or the air becomes clear again. In order to avoid false alarms, appropriate delay adjustments can be made to the alarm time.

3. The smoke alarm is a standard ModBus-RTU signal output, which facilitates secondary development by users. When used with a Jienda PeopleSoft concentrator, it can be uploaded to the environmental monitoring platform provided free of charge by Jienda PeopleSoft through network signals to achieve 24-hour uninterrupted monitoring.