TFT Bi-color color screen, Domestic chip, digital algorithm;
One button operation, double monitor function;
PR Measuring Range：30~250BPM（the resolution is 1BPM);
PR Measuring Accuracy：±2BPM or ±2%(select larger); 
SpO2 measuring range：0-100% （the resolution is 1%);
SpO2 measurement accuracy：70%-100%：±2%，＜70% undefined;
Compact body, Portable to carry.
Weight: 28g (Without battery)
Dimensions: 59*33*31mm
Packing Size:84*57*40 mm