Product Description Product Dimensions: 7.56 x 6.84 x 3.1 (without strap) Storage Temperature: -20 ~ 50 Storage Humidity: 15% ~ 90% Operating Temperature: 10 ~ 40 C. Operating Humidity: 40% ~ 85% Display: LCD digital display Measurement Method: Pulse scanning / oscillometric analysis Measurement Range: High blood pressure / hypotension: 20 mmHg ~ 280 mmHg Pulse: (40 to 200) beats / min / accuracy: 3 mmHg 0.4 kPa Voltage: 3V Delivery Content 1 * piece Blood Pressure Monitor (without batteries) Dual mode, each of the 99 memory measurements 1. INSTANT MONITORING - This generation monitor with clinical digital wrist blood pressure monitor cuffs is designed to make your blood pressure monitoring simple, fast, and easy at any time. It provides you with the systolic and diastolic blood pressure readings along with the heart rate. 2. CLINICAL ACCURACY - This digital blood pressure monitor features advanced measurement technology that provides you not only the fastest but most importantly the most accurate reading method. It gives you just the most reliable reading of whether you have higher or lower blood pressure than normal. This is of great importance as the accuracy of readings is very important with high blood pressure medication. 3. HEART RATE DETECTOR AND HYPERTENSION INDICATOR - Recording your heart rate and the signs of high blood pressure is one of the best things to do with clinical digital wrist blood pressure monitor cuffs. Its hypertension indicator shows if the reading exceeds the internationally recognized guidelines for normal blood pressure values at home. 4. RECALL LAST MEMORY - The memory recall function allows you to record the previous reading in case you forget to do so. This will also help you distinguish the number of times your blood pressure fluctuated from normal to unusual or alarming levels throughout the day. 5. You will definitely love this highly user-friendly and portable device as you can take it with you anywhere at any time.