Certeza PO-905 Pulse Oximeter

Purpose:
Measures oxygen saturation (SpO₂) and pulse rate
Display:
Dual-color OLED display
Adjustable brightness
Displays SpO₂, pulse rate, pulse bar, and plethysmograph
Design:
Compact and lightweight
Easy to use with one-button operation
Portable and convenient for use at home or on the go
Performance:
Provides fast and accurate readings
Low power consumption
Auto power off when not in use
Power:
Operates on two AAA batteries
Long battery life