Dr. Frei AS-304-L Pulse Oximeter

Measurement time 3-4 s
Measurement site fingertip
Measurement results oxigen saturation, pulse
Measurement type non-invasive
Display update cycle no more than 12 s
LCD real time indicator bar graph
Batteries contunuous use 12 hours
Resistance to ambient light +
Automatic power off +
Warranty 2 years