Orders of 2 or more will receive a free gift.Product description Product dimensions: 7.56 x 6.84 x 3.1 (without brlet) Storage temperature: -20 ~ 50 Storage humidity: 15% ~ 90% Operating temperature: 10 ~ 40 C. Operating humidity: 40% ~ 85% Display: LCD digital display Measurement method: pulse scan / oscilloscope assay Measurement range: hypertension / hypotension: 20 mmHg ~ 280 mmHg Pulse: (40 to 200) times / min / accuracy: 3 mmHg 0.4 kPa Voltage: 3V Delivery content 1 * piece of blood pressure monitor (without batteries) Dual mode, each of the 99 memory measurements 1. IMMEDIATE MONITORING - This generational monitor with widescreen clinical digital wrist blood pressure monitor cuffs is designed to make your blood pressure monitoring easy, qui and easy anytime. It gives you the systolic and diastolic blood pressure readings along with the heart rate. 2. CLINICAL ACCURACY - This digital blood pressure monitor has advanced measurement technology that gives you not only the fastest, but most importantly the most accurate reading method. It only gives you the most reliable reading of whether or not you have higher or lower blood pressure than normal. This is of great importance because the accuracy of the readings is very important with high blood pressure mediion. 3. HEARTBEAT DETECTOR AND HYPERTENSION IN - Recording your heartbeat and the signs of high blood pressure is one of the best things to do with widescreen clinical digital wrist blood pressure monitor cuffs. Its hypertension in shows whether the reading exceeds the nationally recognized guidelines for normal blood pressure values at e. 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 differentiate the er of times your blood pressure fluctuated from normal to unusual or alar levels during the day. 5.You will definitely love this very user-friendly and portable device as you can take it with you anywhere anytime.