Finger Pulse Fingertip Oled Oximeter SPO2 PR Blood Oxygen

Oxi-009 --   Product Features:1. Display parameter :   (SpO2) Oxygen saturation --  Measuring range: 70-99%  measurement accuracy : 70%-90% ±2%.  If the value below 94%, Insufficient oxygen supply.   (PR) BPM --  Measuring range: 30 bpm - 250 bpm .    (PI) -- Measuring range: 0.2%-30% , PI means Perfusion Index , it shows Blood perfusion ability .   (RR) Respiratory frequency detection -- Normal adult breathe 16-20 times per Minute. Respiratory pulse ratio is 1:4, every one breath , four Pulse beats . Normal child breathe fast than adult , breathe 20-30 times per Minute, Newborn could breathe 44 times per Minute.  2. Display Screen: Blue and Yellow two colors OLED Screen.3. Energy saving: Two AAA batteries could use more than 40 hours4. Voltage warning: There has Low voltage warning.5. Automatic shut-down: Automatic shut-down in 8 secends when there has no signal.6. Advantage: Integrating blood oxygen probe and processing display module, the product is easy to use, low power consumption, small size, light weight, and portable. Notice:1. Please double check the direction of the battery. The 2 batteries are in different direction, please make the +/- right.2. The finger should be plugged deep enough, or it can not take the measure3. Please do not tremble the finger or move the body during the measurement, or the data maybe unsteady. Package content:1. 1 x oximeter2. 1 x cord3. 1 x beautiful box4. 1 x english menual  For transportation reason ,  batteries is not included .
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a