Finger Pulse Oximeter is an economical and accurate method of detecting pulse rate and blood oxygen saturation through fingers. Small size, easy to carry. Suitable for daily use to measure your health at any time. Features: Multifunction: Digital pulse oximeter can be used to measure pulse rate, blood oxygen saturation levels accurately. Easy to use Read: Support SPO2, heart rate and bar graph, you can see your result very clearly with LED display. Easy to use: Accurate and reliable, one button operation, it’s easy to put your finger clip on and turn it on push of a button. Auto power off after 5s when not in use. Versatile: Suitable for daily use. Widely used in family, oxygen bar, physical care in sports, etc. Compact size: The oximeter is light and portable. Specifications: Color: blue, green For optional Material: Plastic Measurement accuracy: ±2bpm or ±2% SPO2 measurement range: 35~100% (resolution of 1%) Pulse measurement range: 30~250bpm (resolution is 1BPM) Auto power off: