SM-220 Finger Pulse Oximeter

LED, Parameters : SpO2, PR, Pleth bar., Information : low power ::SPO2-->Measure Range : 35-99%, Resolution : ±1%, Accuracy : 75%-99%:±2, 50%-75%:±3, 0%-50%:unspecified::Pulse Rate-->Range : 30-254 BPM, Resolution : ±1bpm, Accuracy : ±2bpm::Battery--> Type : 2 AAA Alkaline batteries or rechargeable, batteries Power Consumption
PR: 0