Features: The MF-73 Wristwatch Blood Pressure Monitor features a 7-time memory with average that allows easy review of each week's readings. Wrist monitoring means there's no need to remove a jacket or sweater. The large liquid crystal display is easy to read. The MF-73 Wristwatch Blood Pressure Monitor has the fuzzy logic for deflation for optimal accuracy. With clinically proven accuracy, the MF-73 displays fast, accurate readings of systolic and diastolic blood pressure and pulse. Included with the MF-73 is a zippered storage case with instructions in English, French, Spanish and Portuguese.  IQ System for rapid and easy reading 7-time memory with average  One touch operation is easy to use  Display:  7 Digit LCD with low battery and pulse indicator  Logic:  Fuzzy logic (deflation)  Measuring Range: 0 to 300 mmHg (cuff pressure) 40 to 160 beats per minute pulse rate  Accuracy:  ±3 mmHg (cuff pressure)/±5% of reading (pulse rate)  Inflation: Automatic (air pump)  Deflation:  Automatic (electronic control valve)  Exhaust:  Automatic quick exhaust valve (electronic control valve)  Power Supply:  2 pcs. x AAA dry cell (LR03) dry cell included Memory:  (7 measurements + average)  Applied Pressure: 180 mmHg (1st inflation)  Operating Temperature: +50°F to +104°F (+10°C to +40°C)  Storage Temperature: -4°F to +122°F (-20°C to +50°C)  Humidity: 15 to 95% Rh  Cuff Type:  Pre-formed type cuff  Wrist Circumference: Approx. 5 ¼ to 7 ¾ (135 to 195 mm)  Main Unit Size: 2.7 in. (68mm) W x 2.4 in. (62mm) H x 1.3 in. (34mm) D  Weight  Approx.: 5 oz. (140 grams) (batteries included)  Display Box Dimensions 3 ½ in. (90mm) W x 3 5/8 in. (95mm) H x 3 7/8 in. (97mm) D 2-year limited warranty