LD11 Wrist Type Automatic Digital Blood Pressure Monitor Product information: Non-U.S. Sales Large LCD display with bolding reading 90 sets of memories Average value for the latest 3 readings Simultaneous display of systolic pressure diastolic pressure and pulse rate Low battery indication Specification Measuring Range 40 to 260 mmHg (blood pressure) 40 to 160 beats/minute (pulse rate) Measuring Accuracy 3 mmHg for systolic and diastolic pressure 5% of the reading for the pulse rate Inflation Automatic inflation by air pump Deflation Automatic exhaust Pressure Detection Semiconductor pressure sensor Operation Temperature and Humidity +10  to + 40  , 85% and below Storage Temperature and Humidity -20  to + 50  , 85% and below Power Source 2 x AAA batteries Dimensions 70mm(L)x60mm(W)x30mm(H) Weight Approximately 110g without batteries LD6,LD6A(with Adapter) Upper Arm Automatic Digital Blood Pressure Monitor HS-OP10 Ophthalmoscope Rm.C, Floor 22, ZhiYuan Bldg., No.768 XieTu Road.,Shanghai,China, P.C. 200023 E-mail: