RF433mhz Wireless and WIFI Interconnected 360° Sensing Fire APP Remote Alarm Usage: Office Buildings, Industrial Premises AJ-765-WIFI-RF433

Description Photoelectric alarms are generally more effective at detecting slow, smoldering fires that smolder for hours before bursting into flame. Sources of these fires may include cigarettes booming in couches or bedding.   Photoelectric alarms are generally more effective at detecting fast, flaming fires that consume combustible materials rapidly and spread quickly, Sources of these fires may induce flammable liquids or paper burning in a waste container. However, both types of alarms proved adequate detection of both types of fires.    smoke alarm EN approval fire alarm stand alone smoke detector Test Press and hold the TEST key, the product enters the test state. When the red light flashes, the buzzer sounds, and the action mode is the same as the alarm mode,it mean normal working ; When it will flash twice or three times in red, without buzzing Tweeter, it mean it unnormal working Working Voltage DC3V built-in lithium battery Standby current <12uA Alarm current <35mA Alarm mode Siren With Flash (buzzer & red LED) Low voltage threshold 2.4V Alarm sound >85dB battery life 10 years Fire-proof level V-0 Color White   Alarm Smoke is detected every 6 seconds. If the alarm threshold is reached, it is detected 6 times at 1S speed each time to determine the alarm condition and the red light flashes. After 6 times of determining the fire, an siren and flash was issued.