Make sure your blood is pumping with a Fingertip Heart Rate Oximeter with LED Screen Choose from 4 colours: green, grey, blue or purple Measure your blood oxygen levels and pulse rate at the touch of a button. Shows your readings clearly on the bright LED screen It's portable and battery-powered so you can bring it with you anywhere Easily place your finger inside the clip which is cushioned with rubber padding Turns off automatically 10 seconds after you remove your finger Requires 3x AAA batteries (not included) See Full Details for specifications Save 70% and stay heart healthy with this Fingertip Heart Rate Oximeter with LED Screen