What's in the box:

Fingertip Pulse Oximeter Blood Oxygen Saturation Detector Pulse Rate Monitor Portable Oximeter with LED Monochrome Screen Blue (Standard)

Features:
This multifunctional pulse oximeter can be used to measure pulse rate and blood oxygen saturation accurately.
Accurate and reliable, one-button operation, just clip it on to your finger and press the button to realize fast measurement. It will automatic shut down in 5 seconds when not in use, energy-saving and eco-friendly.
LED display screen, you can view your measuring results clearly whether indoors or outdoors.
Ergonomic design, silicone finger mold fits your finger, comfortable to wear.
Lightweight and mini size, equipped with lanyard, easy to carry and use.
Widely used in family, oxygen bar, physical care in sports, etc.

Specification:
Name: Fingertip pulse oximeter
Material: ABS
Display type: LED display
SpO2 measurement range: 70%-99%
SpO2 accuracy: 2% within the range of 70%-99%, 70%,no definition of accuracy
SpO2 resolution: 1%
PR measurement range: 30~240bpm
PR accuracy: 1bpm
Battery: 2*AAA batteries(not included)
Operation temperature: 5-40
Item Size: 5.5 * 3.2 * 3cm/2.17 * 1.26 * 1.18in

Packing list:
1 * Fingertip Pulse Oximeter
1 * Lanyard
1 * User Manual