Finger Pulse Oximeter - YONKER oximeter 80B

Dual color OLED display with 4 directions and 6 display modes
Power supply: 2 standard AAA batteries, with battery capacity indication
Best shading level, high accuracy and reliability, SpO2, PR, SpO2 histogram and pulse waveform display
Operating menu for setting functions, auto-off function to save energy
Accessories included: neck / wrist cord, carrying case, user manual.