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Smoke alarm detector supplier recommend

Smoke alarm detector supplier recommend

The photoelectric smoke detector is based on the principle of particulate refraction infrared light in smoke to detect fire. The circuit mainly consists  of infrared emission part and receiving part, and the emitter and receiver tube are placed in th ...

2019-10-17
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JL Series Fire Alarm
JL Series Fire Alarm
PA-SJP series Manual fire alarm button
PA-SJP series Manual fire alarm button
PA-SG audible and visual alarm
PA-SG audible and visual alarm
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