Battery Specification:
Two AAA
Display Screen:
LED Highlight Nixie Tube
Power Dissipation:
lower than 30 mA
PR Measurement Accuracy:
plus or minus 2 percent or 2 BPM
PR Measuring Range:
25 to 250 BPM
SpO2 Measurement Accuracy:
plus or minus 2 percent, lower than 70 percent undefined
SpO2 Measuring Range:
70 to 100 percent