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
If the screen is aways light on, it will waste lots of electronic, can it be light off?
Answer Question
A
This carbon monoxide detector has engery-save mode, pls click the ""B"" buttom, the screen backgroud light will be off, the information still shows clearly on the screen.
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