Fingertip oximeter pulse oximeter Two Color OLED oximeter 4-Direction Display adjustable ... ~99%Resolution: ±1%Accuracy: ±2% (70%~99%), unspecified (<70%)Pulse rateMeasurement range: 30~240 bpmResolution: ±1%Accuracy: ±2bpm or ±2 ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Color OLED Fingertip Pulse Oximeter RPO-8A with optional colors- Blue, Green, Purple, Grey