Our expertise lies in providing pulse on the tabletop oximeter, Highly regarded on the marketplaceplace, These items are produced by experts in response to significant consumer demand featuring diverse motifs technical features measurement of spo2accuracy when the sp02 measure range is 70 100%, The permission of absolute error is 2%below 70% unspecified measurement of pulse rate measure range 30 250 bpmaccuracy i2bpm ori2% select larger measurement of pl measure range 0, 20%when the pl measure range is1, 20%. The permission of absolute errorist 1%when the pl measure range is 0, 0. 9%, The permission of absolute erroris 10. 2% resolutionspo2 1% 0 pulse rate 1 bpm 0 pi 0. 1%measurement performance in weak filling conditionsp02 as well as heart rate value can be shown correctly when pulse, Filling ratio is 0. 4%sp02 error is 14%. Pulse rate error is pm or 12% select larger resistance to surrounding light the deviation between the value measured in the state of man, Made light or indoor natural light and that of darkroom is Fewer than 1 % operating voltage internal power supply 3. 6v dc 4. 2v dcexterior alternating current supply 100, 240v ac, 50/60 hz