Acoustic and visual light alarms

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Sound and light alarm concept: bai (also known as sound and light alarm du number) is a dangerous place (such as petroleum, chemical, well zhi mine, military, etc.) or need to dao to set up a place of defence (such as the door, the treasury, warehouses, etc.), through the sound and a variety of light to the people to send out warning signals to a kind of alarm signalling device. 2, sound and light alarm system composition: the main detector, light alarm, alarm control host. 3, the principle of sound and light alarm: detector detection front gas, smoke or infrared detection of invasion of people triggering infrared alarm, the alarm signal is transmitted to the alarm host, the alarm host linkage light alarm for flashing lights and alarm sound alarm. So that the people in a timely manner on the police and disaster prevention and treatment.

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Acoustic and visual light alarms