ChoiceMMed Pulse Oximeters are known to be durable instruments for monitoring oxygen saturation levels Features a wide OLED Screen Oxygen Saturation (Sp0₂) Measuring Range: 0~100% Pulse Rate (PR) measuring range: 30~250 bpm Accuracy: +/- 2% Sp0₂, +/- 2 bpm PR Uses two (2) AAA batteries, low power consumption With low battery indicator Lightweight and convenient to carry Ships from Metro Manila, Philippines Model: MD300C22