Finger Pulse Oximeter Portable Fingertip Pulse Oximetry Finger Clip Small OLED Display Blood Oxygen Meter Stand alone version

Features:
High quality and brand new.
Compact design, lightweight for convenient to carry.
Low voltage indicator and 2 colors OLED display.
Automatically power off in 8 seconds when there is no signal.
Can be used in hospital, home, community medical treatment, sports healthcare, etc.
A pulse oximeter is a medical device that indirectly measures the oxygen saturation of a patient's blood
and changes in blood volume in the skin, producing a photoplethysmograph.

Specification:
Materia: ABS
Battery Type: 2*AAA(not include)
Voltage: 2.6~3.6V
Working Current: 30mA
Power consumption: <30mA
Battery life: about 20 hours
Colours: As the picture

Measurement:
SPO2:
- Measurement range: 70~99%
- Resolution: 1%
- Accuracy: ± 2% (70%~99%), unspecified (<=70%)
Pulse Rate:
- Measurement range: 30~240bpm
- Resolution: 1bpm
- Accuracy: ±1bpm OR ±1%

Package Include:
1 x Fingertip Oximeter (not include battery)
1 x English user's manual