There is a flashing red light in the hotel (what is the flashing red light next to the hotel light)

1. What is the flashing red light above the hotel?

There is a flashing red light in this hotel.

There is a flashing red light in the hotel room.

4. What is the flashing red in the hotel?

1. The flashing red light above the hotel is a smoke detector.

2. Smoke detector is a kind of fire fighting equipment. When there is smoke in the room, the detector will sense it and then analyze the concentration of the smoke. When the concentration reaches a certain value, it will give a harsh alarm sound, and some devices will automatically spray water on the round hole to extinguish the fire.

3. Introduction: The photoelectric smoke detector adopts photoelectric sensor with special structure design and patch processing technology, which has the characteristics of high sensitivity, stability and reliability, low power consumption, beautiful and durable, and convenient use.

4. The circuit and power supply can be self-checked, and analog alarm test can be carried out.

5. This product is suitable for fire alarm in homes, shops, dance halls, warehouses and other places.

6. The process of fire is usually accompanied by three combustion products: smoke, heat and light.

7. At the beginning of the fire, because of the low temperature, most substances are in the smoldering stage, so a lot of smoke is produced.

8. Smoke is one of the important features of early fire, and smoke detector is a fire detector developed by using this feature, which can respond to visible or invisible smoke particles.

9. It is a device that converts the change of detected smoke concentration into an electrical signal to realize alarm.