What's in the box:

Digital Fingertip Pulse Oximeter TFT Display Blood Oxygen Sensor Saturation Mini SpO2 Monitor PR Pulse Rate Measurement Meter for Home Sports Lover (Dark Blue)

Finger pulse oximeter is an economical and accurate method to detect pulse rate and blood oxygen saturation by finger. Small size, easy to carry. Suitable for daily use, measuring your health at any time.

Features:
Muti-function: Digital pulse oximeter can be used to measure pulse rate, blood oxygen saturation levels accurately.
Easy to Read: Support SPO2, pulse and bar chart, you can view your result very clear with TFT display.
Easy to Use: Accurate and reliable, one-button operation, just clip it on to your finger and turn it on at the press of a button. Automatic power off after 5s when not in use.
Widely Applicable: Suitable for everyday use. Widely used in family, outdoor, sports, etc.
Compact Size: The oximeter is lightweight and portable.

Specifications:
Color: green, rose red, blue, red, black, (optional)
Material: plastic
Screen: TFT display
Blood oxygen measurement accuracy: 70 ~ 100%, 2%, less than 70% undefined
Blood oxygen measurement range: 0 ~ 100% (resolution is 1%)
Pulse measurement range: 30 ~ 250BPM (resolution is 1BPM)
Automatic shutdown: when no finger is inserted, it will automatically shut down within 5 seconds
Battery: 2 * AAA Batteries (Not Included)
Package size: 85 * 65 * 40mm / 3.3 * 2.6 * 1.6inches
Package Weight: 40g / 1.4oz

Packing List:
1 x Oximeter
1 x Lanyard
1 x User's Manual