product description:
Technical Specifications: Power Source: DC 3V battery(10 years battery service life)
Quiescent Current: < 4uA
Alarm Sensitivity: 1.0~2.52%/ft OBS.
Alarm Current: < 80mA
Alarm Volume: >85dB(A) @ 3 meters.
Low Voltage Threshold: DC 2.65-2.75V
Hush time: 10minutes
Humidity Range: < 95% relative humidity (RH)
Temperature Range: 0℃ to 40℃
Features: Automatic calibration instead of adjustable resistor, guaranteeing accuracy sensitivity, high quality Infra-red LED and more sensitive photo-diode. 10-hours non-disturb mode under low battery status avoiding undesired noise. Automatic compensation design.
Details of the product function: Standby mode:after the product is installed, if the smoke alarm device is operating properly, the red LED-Flashing once every 40 seconds;
Alarm mode: when the smoke alarm device detect particles of combustion and the concentration of smoke reaches the alarm threshold, the red LED will flash once per second with pulsating alarm until the air is cleared.
Low battery mode:when the battery voltage is low than threshold, an intermittent "chirp" with red LED flashes once every 40 seconds;
Silence mode:during the unit is alarming, press the test button, it will be paused the unit alarming for approx 10 minutes. At this time, the red LED will flash once every 8 seconds;
No disturb mode: when the alarm device is in fault mode or low battery mode, in order to avoid noise to disturb your sleeping in the night time, pressing the test button temporarily silence this warning tone for 10 hours，it will again prompt you to replace the alarm after 10 hours. the red LED will flash once every 40 seconds
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