1 year warranty, Oxygen, Arssn Infant Pulse Oximeter for young M230N young children

Aristn Infant Pulse Oximter for Blood Oxygen, M230N (Assorted Color).
Oxygen meter for young children. Pulse Oximter Oxygen Genders for children. Cartoon pattern.
Suitable for children aged 8 months to 6 years. Characteristics:
- Measure the saturation of the oxygen in the blood test, IHB Arrhythmia Test
- LED color screen is highly accurate (Spo2, 2% incorrectness; PR, accuracy: +- 2BMP)

???? Processing ????
????- Oxidant until the blood (Spo2): should be in the range between 95-100%. The normal range is less than 95%. BR> ????- Pulse Rate: Usually at 70-90 per minute, but when exercising The heart will beat frequently to 100-135 times per minute. In normal conditions, if less than 60 times/minute or more than 100 times/minute means an abnormal pulse.
????- Assessment of Perfusion Index% (PI%) on Pulse Oximeter
is Blood circulation in that area In general, this PI value may be valued from 0.02% to 20%. It may depend on the values ​​specified by the machine manufacturer. In general, if the PD> 4% is considered that the area has sufficient blood flow.
Specifications:
Size: 67 x 36.5 x 30.5 mm. : 35% -100% (1% resolution)
SPO2 precision: 70%-100%: 2%
PR measuring range: 25BMP-250BMP - 2BMP
DC voltage: 1.5V
Power supply: 2PCS AAA battery (no battery)