Feature:

■ Display Format: LCD 
■ SPO2:35-99%
■ Pulse Ratio:30-255 BPM
■ Pulse Wave: LCD Numeric Display
■ Battery Voltage Low Indication: LCD Bar Graph.
■ Power Requirements: Two AA size 1.5V Alkali Battery;
■ Power Consumption: less than 15 mA.
■ Resolution: 1% for SPO2 and 1 BPM for Pulse Ratio.
■ Measurement Accuracy: ±2% in stage of 70%-99% for SPO2
■ ±2BPM or ±2% (Select Larger)for Pulse Ratio.
■ Measurement Performance in Low Perfusion:SPO2 and rate＆#118alue 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 powered off when no finger is in the Oximeter more than 4 seconds.