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... volume 85dB/m Alarm output NC Detection area 20 ㎡ Installation Ceiling Package dimension 12*12*3.5cm Weight 120g Function Features: 1.Smal...

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... will alert and warn people stay far away from danger field when it detected . This product named Photoelectric (hereinafter called d...

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...a couple of infrared diodes. The principle of detecting is granule in the can reflect infrared light. Infrared diodes are placed in the speci...

....The is designed to give early warning of developing fires by giving off the alarm sounds from its built-in alarm horn. It can provi...