Devon 100-A Fingertip Pulse Oximeter Each DT100A by Devon Medical GROUP: Diagnostic Instruments:Patient Monitoring/Vital Signs:Pulse Oximetry Item Description: Pulse Oximeter, Fingertip, (2) AAA Batteries, Lanyard, User Manual (Temporarily Unavailable for Sale) Packaging Desc: Nafs-Pulse Oximeter Fingertip 100-A Country of Origin: CN Harmonized Tariff Code: Product Description: Measures SpO2 (percentage of oxygen saturation in the blood) and pulse rate with accuracy and ease. FDA-approved with high quality LCD display.