■ Display Format: LCD ■ Back light: LED ■ SPO2:35-99% ■ Pulse Ratio:30-255 BPM ■ Pleth Wave: LCD Graphic Display ■ Battery Voltage Low Indication: LCD Bar Graph ■ Power Requirements: Two AA size 1.5V Alkaline Battery; ■ Power Consumption: less than 20 mA. ■ Resolution: 1% for SPO2 and 1 BPM for Pulse Ratio. ■ Measurement Accuracy: ±2% in stage of 70%-99% for SPO2 ■ Unspecified in stage of 35-69% for SPO2 ■ ±2BPM or ±2%(Select Larger)for Pulse Ratio. ■ Measurement Performance in Low Perfusion: SPO2 and pulse Value can be shown correctly when pulse-filling ratio is 0.4%. ■ Interference Resistance Capacity against Ambient Light : Deviation is smaller than ±1% ■ It is equipped with a function switch, through which the Oximeter can be automatically poweredoff when no finger is in the Oximeter more than 4 seconds |