Sell fetal heart rate insturmentOxygen injection instrumentOxygen meter◆◕✑LED Display Household Finger Pu best price

Take the advantages of small volume, low power consumption, simple operation and convenient carrying. Easy measuring, as long as the finger is extended into the finger clamp sensor, the display screen will directly display the measured bloodoxygen saturation value. High accuracy sensors, support quick measurement and provide accurate data. Built-in soft silicone pad, lightly enwrap your finger, no added pressure, more convenient. Adopts LED display, and the interface can be displayed in two different directions. The power consumption of the product is low, powered by two AAA batteries, energy saving and environmental-protection.(not included)