["Pulse Oximeter Oxygen Saturation SpO2 Fingertip eart Rate Pulse Oximeters for Adult and Cild it Lanyard\n\nDescription:\n【Easy To Read, Accurate Results】Te Digital Pulse Oximeter can be operated it one button and provides results in seconds. Large LED screen makes reading results easy, SpO2 and results accurate +/- 2%. safe and reliable.\n【 Blood Oxygen Saturation】 Your SpO2 levels, or blood oxygen saturation levels, elp you better understand o muc oxygen te cells in your body are getting. en levels drop too lo, kno rigt aay it a digital finger pulse oximeter.\n【Easy One-button Operation】One-button operation design makes it simple and convenient to operate. Users just need to put one of is fingers into te fingertip potoelectric sensor for diagnosis, ten te screen ill directly so te result clearly.\n【D OLED Display】 Pulse rate, SpO2, sign, pulse aveform. One-button operation and battery display are displayed precisely and clearly on a large OLED screen.\n【Lo Poer Consumption】Need Equipped it 2AAA batteries, te oximeter automatically poers off after 10 seconds of inactivity and can be operated continuously for more tan 20 ours.\n\nSpecification:\nDimension: 57mm (L) * 31mm (for ) * 32mm ()\neigt: 50g\nPoer: 2 AAA 1.5 V alkaline batteries\nOperating temperature: 10 ℃ -40 ℃\nPulse rate display: 30-250 \nemoglobin Saturation Indicator: 0%-\n\nPackage include:\nPulse oximeter * 1\nInstructions * 1\nlanyard * 1\n\nTips:\n1.Place your fingertip up in te sensing area, put te fingger torougly.\n2.Stop activity for 5 minutes before testing."]