OLED Finger Pulse Oximeter • Parameter Specifications • SpO2 Range: 35%～100％ Resolution: 1% Accuracy: 2% (range 80%-100%), • PR Range: 25bpm / min ～250bpm / min Resolution: 1bpm Accuracy: 2bpm Normal 3bpm Motion/low perfusion • PI Range: 0～20％ Resolution: 1% (range 0-20%) • 0.96"Dual-color OLED display • Screen Display 4 directions and 6 models • Visual and little sound alarm function, pulse rate sound indication • Anti-movement, good low-perfusion performance. • Low power consumption ( less than 30mA) • Power Supply: 1.5V (AAA size) alkaline batteries × 2 •English+Spanish+Portuguese Language