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.

Specifications:
Color: blue，green for optional
Material: Plastic
Measurement accuracy:  ± 2bpm or ± 2%
SPO2 measurement range: 35 ~ 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: 70 * 65 * 40mm/3.3 * 2.6 * 1.6inches
Package Weight: 50g/1.3ounces

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