Guangzhou Sinomedical Limited.  

Product Name: Portable Digital OLED High Quality Hand-Held Finger Pulse Oximeter Type: Oximeter Scale: Small Customized: Non-Customized Specification: 66(L) * 36(W) * 33(H) mm Origin: China Product Description Portable Digital OLED High Quality Hand-held Finger Pulse OximeterFeatures:IntegratedwithSPO2probeandprocessingdisplaymoduleCanbeusedin:hospital,home,communitymedicaltreatment,sportshealthcare,etc.CanmeasureSPO2andPRaccuratelySPO2andPRdisplay,bargraphdisplayBatteryvoltagelowindicationLowpowerconsumption;shutoff automaticallywhennosignalSmallvolume(57(L)×33(W)×32(H)mm)light,convenienttocarryMain performanceDisplay Mode:LED displaySpO2 Measuring Range:0%~100%, (the resolution is 1%).Accuracy:70%~100%:±2% ,Below 70% unspecified.PR Measuring Range:30bpm~250bpm, (the resolution is 1bpm)Accuracy:±2bpm or ±2% (select larger)Measurement Performance in Weak Filling Condition:SpO2 and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2% (select larger).Resistance to surrounding light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of darkroom is less than ±1%.Power Consumption:less than 25mAVoltage:DC 2.6V~3.6V Power Supply:1.5V (AAA size) alkaline batteries * 2 Battery working hour:The minimum continually work time is 24 hours ,theoretical number is 56 hours.Safety Type:Interior Battery,BF TypeAccessoriesSell in standard*a hanging rope*a user manualPhysical Identity Dimension:66(L) * 36(W) * 33(H) mmWeight:about 50g (with the batteries)