DR Brison SpO2 Monitoring Pulse Rate Monitoring Bright OLED Display One Touch Operation Compact and Lightweight Auto Powers Off Low Powers Consumption Easy to Carry 2 AAA Batteries Included Suitable for Every day Monitoring pulse oximeter, fingertip pulse oximeter, oxygen checking machine, digital oximeter, SpO2 monitor, blood oxygen monitor, pulse rate monitor, oxygen level checker, fingerss oxygen meter, heart rate monitor, OLED display oximeter, portable pulse oximeter, home health monitoring device, oxygen saturation monitor, fingertip oxygen monitor, digital pulse meter, pulse oximeter, medical monitoring device, battery operated oximeter, one touch oximeter