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Carbon Monoxide Detectors Portable Temperature Detector/Humidity Sensor/Air Quality Meter Smoke CO Gas Monitor [3 in 1] Alarm for Home Bedroom Office in-car Camping Indoor Outdoor

SKU: GW40.0007

Q
Mine turns off-the screen goes black-after a few seconds. Is is still monitoring?
Answer Question
A
To extend the CO detector's working time, the backlight will turn off when there is no operation or alarm signal, but the detector still continue detecting CO per 2s. The audible alarm will sound ""di"" every minute when battery is low power.
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