Esperanza Pulse Oximeter will allow you to quickly, easily and painlessly check your health whenever and wherever you want. Just put it on your finger and read results such as heart rate and blood oxygen level within 3 seconds.
SpO2 parameter: Measurement range: 35% - 100% Accuracy: 70% - 100% ± 3% Normal range: 96% -99% Pulse rate: Measurement range: 30 beats / min - 250 beats / minute (± 2 beats / minute ± 2%) Ambient temperature: 5 ° C - 40 ° C (41 ° F - 104 ° F) Ambient humidity: 15% - 80% Pressure: 86Pa - 106kPa Low perfusion performance: Same with only 0.2% amplitude modulation Light interference resistance: ± 1% Interference immunity 50Hz / 60Hz: precise Power supply: 2xAAA battery - not included in the set (1.5V) Supply voltage: 3V Current consumption: ≤30mA
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