Blood Flow Perfusion Index:
greeter than 0.2 percent, +/- 0.1 percent
Blood Oxygen Range Accuracy:
70 to 100 percent +/- 2 percent
Display Direction:
Dual Colour OLED Screen, Six Parameters, Four Directions
Power Supply:
Two AAA Batteries (NOT INCLUDED)
Pulse Range Accuracy:
25-250 BMP, +/- 1 BMP