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点击图片查看原图GeneralDG822 Battery Powered Photoelectric Smoke Alarm with excellentstabilityand high-sensitivity by Advanced MCU ExpertAlgorithmSoftware.KeySpecifications/Special Features
•AdvancedMCU ExpertAlgorithm Software to prevent the most smoke alarmfault.
•Power Source:9VBattery (included).
•Audio Alarm:≥85dB/3m
•Temperature Range: 0℃to40℃
•HumidityRange: 5%-95%relative humidity(RH)
•Sensor:Photoelectric
•Size:diameter 105mm indiameter x59mm depth
•Interconnects:Yes
•Easy toinstallwith mounting base included
•Suitable foranyroom
•Lowbatterysignal
•Test buttonforsimple testing
