Feature:
1. Reliable Results – Accurate readings on challenging patients
due to low perfusion and darker skin tones. Tested in motion.
2. Proven Accuracy – Scientifically proven accuracy in the widest
range of patients.
3.High brightness LED display SpO2, PR, and Pulse bar;
4. Low power consumption; battery-low indicator;
5.Pulse beep;
6. Optional colors: black; purple
Specification
SpO2
Range: 70~100%
Accuracy: ±2%
0~69% unspecified
Resolution:1%
Pulse Rate
Range:25-250 bpm
Accuracy:±3 bpm
Resolution:1bpm
Low Perfusion performance
Pi >= 0.4% : Spo2 and PR can be detected correctly；
Pi < 0.4% : Unspecified.
Environment requirement
Temperature
Operation:5℃~ +40℃
Storage: -40℃~ +60℃
Humidity
Operation::10% ~ 95%
Storage:10% ~ 95%
Power Requirements
Work voltage： DC2.5V~ 3V( 2 AAA Battery)
Work current： < 30mA
Dimension 
58 (H) x 33 (W) x 35 (D) mm 
Net Weight
100g（include batteries）
Accessories:
A hanging rope;A user manual;2 AAA alkaline battery