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Colour:Blue Detection of blood oxygen saturation, IHB arrhythmia detectionLow blood oxygen alarmDisplay mode: OLED display screenMachine size: 58 (long) x 30W) * 30 (H) mmThe measurement range of blood oxygen saturation is 0% ~ 100% (resolution 1%).Accuracy: 70% - 100%:2%, less than 70%, not specified.PR measurement range: 30bpm ~ 250bpm, (resolution 1bpm)Accuracy: + 2bpm or + 2% (larger selection).Anti environmental light: under artificial light or indoor natural light conditions, the deviation between measurements in darkroom is less than 1%.Power consumption: less than 25mAVoltage: DC 2.6V ~ 3.6VPower supply: 1.5V alkaline battery (AAA) * 2Safety type: internal battery, type BF.
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