EARYKONG 433MHz Smoke Detector Wireless Fire Protection Smoke Sensor Highly Sensitive Alarm Fire For GSM/Wifi Alarm Syst

Description 1 This small gadgets will alert and warn people stay far away from danger field when it detected smoke 2 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 3 Infrared diodes are placed in the special chamber The chamber can shield external light but don t affect the smoke into it 4 While have no smoke the diode can receive very weak infrared light When the smoke entering the the chamber 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 5 The detector adopts the special structure design and ASIC has the dustproof mothproof and anti outside light interference feature etc 6 The detector is suitable for detect the smoke in house shop hotel restaurant office building school bank library computer house and storehouse etc Specification Brand Name EARYKONGBattery Type Use 3V battery 3V CR123A Static current 5uAAlarm Current 30mAIndicate alarm LED FlashSound Level 90dB mOperating area 20 square meterAlarm Output soundflash alarm433MHz wireless signalRF signal 433MHz Size 90 30 mmPackage Includes 1 433MHz Wireless Smoke Detector Battery Not Included