Digital LCD Wrist Blood Pressure Monitor & Heart Beat Rate Pulse Meter Measure Know Your Blood Pressure With The Push Of A Button. Shows Systolic, Diastolic and Pulse Readings. Compact design fits over your wrist like a watch. Easy to use wrist style eliminates pumping. Stores 60 readings to monitor your health over time. Easy to follow instructions. One size adjustable cuff fits all. Features: * BRAND NEW * Intelligent automatic compression and decompression * Easy to operate, switching button to start measuring * 60 store groups memory measurements * Can read single or all measures * 3 minutes automatic power saving device * Intelligent device debugging, automatic power to detect * Local tests for : wrist circumference as 135-195mm * Large-scale digital liquid crystal display screen, Easy to Read Dsplay * Fully Automatic, Clinical Accuracy, High-accuracy * Power by 2 x 1.5V AAA batteries ( NOT included ) In the use of this device, please read the details of this statement in order to correct the measured value, please save this for later reference manual and warranty ,if you need additional details , please consult your doctor. Note: Please connect the wristband with left hand from 5 - 10 mm( about one finger width), if the distance is too long, you will get a error message of " Err 003", and unable to do any operation. Package Included: 1 X Automatic Blood Pressure Heart Beat Monitor 1 X English Manual