Features: Easy to Use: Household Finger Clip Oximeter with Large buttons, clear display, and simple operation for non stress testing. Small Blood Sample: Requires a tiny blood drops, minimizing discomfort and pain. Large Display: Clear and easy-to-read display for effortless viewing of results. Portable: Blood Oximeter Monitors Can Be Taken with You for Easy Health Monitoring. Convenient: Real Time Monitoring with the Blood Oximeter Monitors, You Can Instantly Track Your Blood Sugars Level Anytime and Anywhere. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS+PC Battery type: 2*1.5V (2 AAA alkaline batteries, the product does not include batteries) Automatic shutdown: Automatically shut down in 8 seconds when no finger is inserted Blood oxygen saturation measurement range: 70%~99% Blood oxygen saturation measurement accuracy: ±2% within the ranges of 70%~99%, undefined for Monitoring parameters SpO2: Patient type: Applicable to all people over 4 years old Measurement range: 70 - 99% Resolution: 1% Accuracy: 70% - -99% ± 2% Blood Oxygen Meter Saturation: An important indicator reflecting the oxygen status in the body. It is generally believed that the normal value of blood oxygen saturation should not be less than 94%. Below 94% is considered to be insufficient oxygen supply. Package Contents: 1 x Fingertip Oximeters 1 x Lanyard 1 x White Card Liner 1 x English User Manual 1 x Color Box Package List: 1 Set Blood Oximeter Monitors