Portable Digital Oximeter Blood Oxygen Sensor OLED Display SpO2 Fingertip Pulse Auto Power off Instant Read Saturation Heart Rate Monitor Meter

A finger pulse oximeter is an affordable and accurate way to check pulse rates and blood oxygen saturation levels. By use this device, it can accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in seconds and display it conveniently on a large digital LED display. Thus you can know you body better with these reliable and accurate indexes. what is more, it is small in volume, light in weight and convenient in carrying. You can buy one, and take it anywhere to make sure you and your family members' bodies are OK.

Features:
Double color OLED display, results can be read even in high-lights.
Low-power consumption, continuously work for 20 hours.
Reliable accuracy and durability, makes monitoring simple and convenient.
SPo2, PR, PR waveform, bargraph and perfusion index display.
4-direction Display adjustable, allow you to view your results in any direction.
In the absence of signals for 8 seconds, the product will be poweer-off aytomatically.
Visual and audio alarms function, you can set the alarm and beep according to your needs. 
Small in volume, light in weight, and convenient to carry.

Specifications:
SpO2 Measurement Range: 70%-99%
SpO2 Measurement Accuracy: ±2% (80%-99%), ±3%(70-79%), unspecified (<70%)
SpO2 Measurement Resolution: ±1%
Pulse Rate Measurement Range: 30-240 bpm
Pulse Rate Measurement Resolution: ±1bpm or ± 1%
Power Supply: 1.5V(2 AAA or alikaline batteries)
Power Consumption: below 30 mA
Operation Temperature: 5-40℃
Storage Temperature:-10- 40℃
Operating or Storage/Transportation Humidity:15-80%
Color: white, gold, black(optional)
Item sizeL 5.8 * 3.6 * 3.1cm / 2.28 * 1.42 * 1.22in
Item Weight: 32g / 1.13oz
Package weight: 58g / 2.05oz
Package size: 9.2 * 6.3 * 4.1cm / 3.62 * 2.48 * 1.61in

Package list: 
1 * Pulse Oximeter 
1 * Lanyard 
1 * User Manual