Smoke Fire Alarm Warning Photoelectric Sensor Home Security

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অর্ডার করতে ফোন করুন -01911662266Hight

Quality Home Security Fire Sensor Alarm White Photoelectric Cordless Smoke Detector FC

Features: -
\100% brand new and high quality -High sensitivity -Excellent stability -
Low battery indicator -Alarm test button for easy testing -Alarm Indication: Red LED flash -Simple installation -This small gadget will alert and warn people to stay far away from danger field When it detects smoke. -This product named Photoelectric detector (hereinafter called detector) detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes are placed in the special chamber. It can shield external light, but don't affect the smoke into it. -While there is no smoke, the diode can receive very weak infrared light. When the smoke enter the chamber, the diode can receive more and more light. When the smoke attains the certain density, the detector can give out alarm signal. In order to reduce the interference and lower power consumption, the emitting circuit adopts the pulse signal. -The detector, designed with special structure and ASIC, features dustproof, mothproof and anti outside light interference etc. -The detector is suitable for detecting the smoke in the house, shop, hotel, restaurant, office building, school, bank, library, computer house, storehouse etc. Specifications: 9V battery (Included) Sound Level :> =85dB/m Alarm Current: