Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor,Heart Rate Monitor with Batteries, Lanyard, and Warranty (Blue)

  • $ 9.99

1.Display type:OLED display
2.SpO2:Measuring range35%~100%,Precision±1%
3.PR:Measuring range25 BPM ~250 BPM,Precision±1BPM
4.Power: two AAA 1.5V alkaline batteries
5.Power consumption: below 50mA
6.Automatic power-off:The product power off by itself when no finger is in the product for ≧8 seconds