Handheld Pulse Oximeter • Parameter Specifications • SpO2 Range: 35%～100％ Resolution: 1% Accuracy: 2% (range 80%-100%), • Pulse Rate Range: 25bpm / min ～250bpm / min Resolution: 1bpm Accuracy: 2bpm Normal • Temperature (optional) Range : 18 ~ 45 °C • Features • Support the oximeter probe for Adult,Infant and Neonate. • Compatible for Nellcor sensor. • Big size3.5 inch color TFT LCD display for SPO2/PR/Pulse bargraph/ plethysmogram. • Visual and sound prompt function. • Ajust the parameters in friendly menu. • Low Battery voltage indicator. • Automatically switch off within 3 minutes when no signal. •Standard rechargeable Li battery is available for power supply •Data store and review •M