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
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This carbon monoxide detector is portable design with a lanyard. It is convenient to hang it to a school backpack. It is perfect for school life, a safety air environment is so important to children.
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Yes believe holding the bottom right button will do
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Our detector is built-in 1000 mAh lithium battery.