the Fingertip Pulse Oximeter Blood Oxygen Monitor is a Compact & Reliable Device Designed for Monitoring Heart Rate & Blood Oxygen Saturation Levels (spo2) with Precision & Speed. Featuring a Digital LED Display, It Presents Readings in Large, Easy-to-read Digits for Convenient Use. the Inclusion of a Battery Life Indicator Enhances Functionality. Sized at 1.26 Inchl1.22 Inchw2.24 Inchh, This Pulse Oximeter is a Valuable Tool for Quick & Accurate Health Monitoring, Providing Essential Insights at Your Fingertips.