Oximeter are a must have in present day situation. It can quickly tell you your the Oxygen Levels in your Blood without ever drawing the blood from your body. This can help you decide to get help right away if levels are low on oxygen levels. It acts as a early warning system so you know what course of action to take. It also has a Heart Rate monitor which can help you determine any irregular heart beats. Works for adults and children very small footprint easily fit in your pocket or purse.
Features:
Color OLED display, simultaneous display for testing value and plethysmogram.
The display interface of OLED can rotate four directions with six different display modes after pressing the power button for less than 0.5s.
Real-time spot-checks  –
Pulse waveform & bargraph display  –  Advanced setting for alarm – Functions of audio alarm and pulse sound
Automatic power off – 50 hours continuous to work
Widely used in hospital, home health care, oxygen bar, community medical centre, alpine area, sports health care etc.
Specifications:
Display
OLED two color display
SpO2
Measurement range: 70
～
99%
Resolution: ±1%
Accuracy: ±2% (70%
～
99%), unspecified (<70%)
Pulse rate
Measurement range: 30
～
240 bpm
Resolution: ±1%
Accuracy: ±2bpm or ±2% (select larger)
Low Perfusion ≤0.4%
Power
1.5V (AAA size)
alkaline battery x 2 (battery not included)
Supply voltage: 2.6~3.6V
Working current
≤30mA
Automatic power-off
Automatically power off when no signal in the oximeter for more than 8 seconds
Dimension & Weight
58 (L) × 31(W) × 29(H) mm (2.3*1.2*1.1inch)
60g (0.13lbs)
Include:
1 x Fingertip Oximeter
2 x AAA Batteries Free   1 x Lanyard   1 x English user’s manual