Mark of Fitness, MF-81 Wristwatch BPM with IQ SystemT *Clinically Proven Accuracy *IQ System™ measures in about half the time for better comfort *60-time Memory with Date & Time and Average *Fast, Accurate Readings *Systolic and Diastolic with Pulse readings *One-Touch Operation is easy to use *Large liquid crystal display is easy to read *Runs on 2 AAA alkaline batteries (Not Included) *Includes carry case *Instructions in English, French, Spanish & Portuguese *1 Year Warranty.