Amron M4 blood pressure device

Product description Features: - Device for measuring blood pressure through the upper arm.. large LCD screen.. very large cuff for comfortable measurement and alert if placed incorrectly. feature of alert for irregular heartbeat. can be used by two people with a storage capacity of 60 readings. powered by batteries. Instructions for use: - stop any exercise 30 minutes before measurement. do not drink any caffeinated beverages or smoke 30 minutes before measurement. empty the bladder.