Smoke detector is a tool used to detect smoke in fire alarm systems. Some smoke detectors, which are often installed in industrial, commercial, or residential fire alarm systems.

After detecting smoke or fire, the fire alarm system activates the fire alarm system or sends a signal to the fire centers, but ordinary and domestic detectors often only provide an audible alarm or optical indication of the device itself.

Smoke detectors have different types of spot-linear and air-suction, each of which is suitable for a particular application.

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