Product details:
Item specifics
Brand name : EaseAi      Item Type: Finger Pulse Oximeter
Material: ABS            Size: 50mm(L)*30mm(W)*26mm(D)
Application: Finger        Commodity Quality Certification: CE
Model Number: DB18     Power: 2 x AAA 1.5V alkaline battery
Weight-approx: 54g       Color: Blue, gray
Parameter: SPO2 PR      Display Modes: 4 directions
Warranty time: 5 years    
Attention: the size and weight only refer to the size and weight of the product itself. 
Product Description:
Because of the aviation restrictions, batteries are not included in the package, please use   alkaline battery to run it .  
Brief Device Description:
The Pulse Oximeter, based on all digital technology, is intended for noninvasive spot-check measurement of functional oxygen saturation of arterial hemoglobin (SPO2). Advanced DSP algorithm can minish the influence of motion artifact and improve measurement accuracy of low perfusion.
The Oximeter can be used to measure human Hemoglobin Saturation and heart rate through finger. The product is suitable for family, hospital (including clinical use in internist/ surgery, pediatrics, etc), Oxygen Bar, social medical organizations, physical care in sports and etc.
Product Features
Lightweight for carrying and Easy-To-Use.Manually adjust the direction of interface.LED display, simultaneous display for testing value and bargraph.Low Battery voltage indicator.Automatically standby or sleep.Visual alarm function. Real-time spot-checks.
Specifications
Display Mode: OLED display
SpO2
Measuring Range: 35%-100%
Resolution: ±1%
Accuracy: ±2% (80%-100%), ±3% (70%-80%), unspecified (<70%)
Pulse rate (PR)
Measurement range: 25~250 BPM
Resolution: ±1%
Accuracy: ±2BPM
Power: 1.5V (AAA size), alkaline battery x 2
Working current:<30mA
Perfusion Index Display: 0-30%
Accuracy: ±1% (0-20%), unspecified (20%-30%)
Automatic power-off: Automatically power off when no signal in the oximeter for more than 16 seconds.
Package Content
- 1 x Finger Pulse Oximeter
- 1 x Lanyard
- 1 x English user manual
- 1 x Carrying case
Operation
1. install battery
Installing two AAA batteries into battery cassette in correct polarities and cover it.
2. start the Pulse Oximeter
Put one of fingers into rubber hole of the oximeter (it is best to put the finger thoroughly) with nail surface upward, then releasing the clamp.
Press the key, oximeter will automatic standby or go asleep after 8 or 16 seconds without finger in.
Read correspondent data from display screen.
Attention: This product is only suitable for those over ten years old.