Display Mode:OLED display

SpO2 Measuring Range:0%~100%, (the resolution is 1%).

Accuracy:70%~100%:±2% ,Below 70% unspecified.

PR Measuring Range:30bpm~250bpm, (the resolution is 1bpm)

Accuracy:±2bpm or ±2% (select larger)

Resistance to surrounding light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of darkroom is less than ±1%.

Power Consumption:less than 25mA

Voltage:DC 2.6V~3.6V 

Power Supply:1.5V (AAA size) alkaline batteries * 2 

Safety Type:Interior Battery,BF Type

Packing information

*a hanging rope

*a user manual

Physical Identity 

Weight:About 100g ,100pcs per carton

Machine Dimension:58(L) * 30(W) * 30(H) mm

Box volume:10*9*4cm

Outer box volume:46.8x30.3x50cm     

2xAAA batteries