Track your blood pressure with superior, medical-grade accuracy using Microlife's Premium Automatic Blood Pressure Monitor. Our auto-inflate arm cuff and averaging mode technology make daily readings of systolic, diastolic and pulse rates quick and easy. One-touch memory recall stores past readings for up to two users, making it easy to compare your previous readings at the touch of a button. Microllife Premium Automatic Blood Pressure Monitor Includes: Automatic Blood Pressure Monitor - measures 4.75"L x 4.75"W x 2.5"H Medium adjustable arm cuff Deluxe canvas storage bag Instruction booklet Quick reference guide Quick-start guide 4 AA batteries Product Features Superior, medical-grade accuracy Large LCD digital display - for easy viewing of your systolic, diastolic and pulse readings. Shows current time at all times Auto-inflate cuff - for superior, accurate reading at the touch of button Medium arm cuff - adjusts to fit arm widths of 9 1/2" to 13.25" Irregular heartbeat detection - visual symbol appears in display to signify detection of an irregular heartbeat Averaging mode technology - easily select a single reading or 3 readings in quick succession for average blood pressure Memory recall mode - stores readings for up to 2 users with 99 readings each. Stored readings include date and time. Deluxe canvas storage bag - conveniently stores your blood pressure monitor when not in use Instruction booklet - instructions in English and Spanish for your convenience Monitor is compatible with BPAnalyzer PC software that easily tracks and graphs your progress. Software sold separately. by Microlife AC power adaptor also sold separately. Model #BP3BG1-4K Made in China Manufacturer's 5 year limited warranty Though this product may help you give valuable feedback to your doctor, this device is not a substitute for professional medical advice by a licensed physician. Never make any changes in your medication without first consulting your doctor. Use of this device is not a substitute for regular measurement and interpretation of results by your physician. It is intended for use by adults only and NOT for use by children.