Dear friend please contact us whenever you want to know well the item for we are 24 hours business and willing to answer any questions.<br /><br />* Intelligent automatic compression and decompression<br />* Easy to operate， switching button to start measuring<br />* 60 store groups memory measurements<br />* Can read single or all measures<br />* Intelligent device debugging， automatic power to detect<br />* Large-scale digital liquid crystal display screen， Easy to Read Dsplay<br />* Fully Automatic， Clinical Accuracy， High-accuracy<br />* Power by 2 x 1.5V AAA batteries ( NOT included )<br /><br /><br /><br />Package Included:<br /><br />1 X Automatic Blood Pressure Heart Beat Monitor<br />1 X English Manual