Major applications and scope of application
The Pulse Oximeter can be used to measure human Hemoglobin Saturation and pulse rate through finger, and indicate the pulse intensity by the bar-display. The product is suitable for use in family, hospital(Ordinary sickroom ), Oxygen Bar, social medical organizations and also the measure of saturation oxygen and pulse rate.

Features
Operation of the product is simple and convenient.
The product is small in volume, light in weight (total weight is about 75g including batteries) and convenient in carrying.
Power consumption of the product is low and the two originally equipped AAA batteries can be operated continuously for 15 hours.
The product will automatically be powered off when no signal is in the product within 5 seconds.

CE, ISO

Technical specifications
1 Display Format: LCD Display;
SpO2 Measuring Range: 0% - 100%;
Pulse Rate Measuring Range: 30 bpm - 250 bpm;
Pulse Wave Display: columniation display and the waveform display.
2  Power Requirements: 2 ×1.5V AAA alkaline battery(or using the rechargeable battery   instead),adaptable range: 2.2V~3.6V.
3 Power Consumption: Smaller than 40mA.
4 Resolution: 1% for SpO2 and 1 bpm for Pulse Rate.
5  Measurement Accuracy: ±2% in stage of 70%-100% SpO2, and meaningless when stage being smaller than 70%. ±2 bpm or±2% (select larger) for Pulse Rate.
6  Measurement Performance in Weak Filling Condition: SpO2 and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2% (select larger).
4.7 Resistance to surrounding light: The deviation between the value measured in the condition of   man-made light or indoor natural light and that of darkroom is less than ±1%.
8  It is equipped with a function switch. The Oximeter can be powered off in case no finger is the Oximeter within 5 seconds. 
9  Optical Sensor
Red light (wavelength is 660nm,6.65mW)
Infrared  (wavelength is 880nm,  6.75mW)