Features Pressure Rating Indicator Easy Fit Cuff Clinically validated for accuracy Digital Pressure and pulse Irregular heartbeat display feature Dimensions: 6.4"W x 2.4"H x 4.4"L Weight is 1.2 lbs without batteries Power Source is 120V AC Adapter The A D Blood Pressure Monitor blends digital blood pressure technology and advanced features with simple functionality. This monitor offers memory, time and date feature and more with the simple push of a button. The A D Blood Pressure Monitor stores the last 60 readings in memory and also displays average readings. In addition, it offers a time and date function, which indicates when a measurement was taken. It also offers two innovative features, the Pressure Rating Indicator and Irregular Heartbeat feature. The Pressure Rating Indicator provides a snapshot of your blood pressure classification based on your measurements and eliminates the guesswork on what your blood pressure measurements mean. The irregular Heartbeat Feature that alerts the user and provides an accurate measurement even when an Irregular Heartbeat occurs. The measurement range is 20 mmHg to 280 mmHg and Pulse: 40 to 200 pulses/minute. Users can also program three alarms per day to remind them when to take a reading. Included with this monitor is the Easy-Fit Cuff, an innovative cuff that instantly fits your arm. It has been specifically designed to fit most arms (9-17") and provides the highest level of comfort and accurate readings. Includes: Also included are an AC adapter, carrying pouch, trilingual instruction manual, quick start card, four week blood pressure logbook and warranty card. Both the monitor and the cuff contain a Lifetime warranty It has been clinically validated for accuracy (+/- 3mmHg and Pulse +/- 5%), so you can be confident that your readings are consistently correct.