Product Name: Yuyue Yx301 Fingertip Plus Oximeter Wihh Ce Model NO.: YX301 Weight: about 54G Display: OLED Display Color: White Power Consumption: Less Than 30mA Trademark: Yuyue Transport Package: Bags Specification: 58*32*34mm Origin: China Product Description Display modeOLEDdisplayPower consumptionless than 30mADimensions58*32*34mmWeightabout 54gDisplay of the oxygen saturation70 ~ 100%,±2%Measure precisionthe oxygen saturation between 70%-99%, the precision is ±2%; and less than 70% the precision has no definition; the pulse power is ±1% or ±1BPM,and take the larger one