Two parameters:SPO2, Pulse Rate.
No waveform.
1、Tiny, light, "all-in-one" integrated clip design, easy for carrying;
2、LED screen with SpO2, PR and Pulse strength measurements;
3、Immediately, real-time spot-check;
4、Single button interface, easy for operation,
5、Common AAA alkaline or rechargeable batteries to support 3 continuous working hours;
6、Low battery power indicator;
7、Automatic power-off. 
Dimension: 67x38x36mm
Net Weight: 60g 
Gross Weight: 0.15kg
Package Size: 130x75x45mm
Color: White      
Technical specification
Measurement range: 35~100%
Accuracy: (70~100%), 0~69% unspecified
Resolution: 1%
Pulse Rate
Measurement range: 30-250 bpm
Resolution: 1bpm
Display Mode
SpO2 display: 1-digit of 2-segment and 2-digit of 7-segment red LED
PR display: 3-digit of 7-segment red LED
Pulse strength display: A 6-segment red LED bar-graph
Low battery power indicator: A red LED
Environment Requirements
Working: 0~40oC
Transport and storage: 20~60 oC
Working: 15~95% (non-condensing)
Transport and storage: 10~95% (non-condensing)?
Working: 86 KPa ~ 106 Kpa
Transport and storage: 50KPa ~ 106 Kpa
Power Requirements
Battery type: Two common 1.5V AAA alkaline or rechargeable batteries