*Features*: **QUICK & ACCURATE MEASUREMENTS*:Our blood pressure monitor clinically tested from thousands of individual data and core algorithms adopted to make sure higher accuracy. You can get the accurate measurement of systolic,diastolic and pulse rate about 2 minutes at home,no need to frequently go to hospital or clinic. Cost-free and time saving. **2 USERS DATA RECORDING & 198 MEMORIES*:Capable of switching between 2 users to store measurements separately and recording total up to 198 measurements(99 readings each user) with date and time for easy blood pressure tracking,the average value of the blood pressure and heart pulse on the latest three time will display when power on,which help to watch over personal health status. Automatic loop recording data and no need manually delete. **3'' LCD DISPLAY & VOICE BROADCAST*:All measurements will be clearly shown through its 3'' large and bright backlight LCD screen. Displayed measurements include systolic pressure,diastolic pressure,pulse rate,date,time and user. Support voice broadcasting and measuring status,convenient for users,especially the seniors. **COMFORTABLE WIDE RANGE ARMBAND*:The comfortable armband fits for upper arm circumference from 8.66inches to 12.6inches,easy to wear by single-hand. **EASY POWERED & PORTABLE*:Powered by USB charging cable and 4 pcs AAA alkaline batteries.(Battery Not Included;USB Cable Not Included). Carry bag is easily to carry during your travel or at your office. Accurate measurement and low-cost is designed to be an optimal gift for your parents,elder relatives or co-workers,etc.. *Home Blood Pressure Monitoring Basics 1.Preparation for Monitoring*:You should avoid drinking alcohol or coffee,eating,smoking,exercising and bathing in 30 minutes before you take a measurement. If you are under a stressful state,you’d better not take a measurement. *2.Regular Monitoring*:We suggest that you take a measurement at the same time each day so that the data can be compared in a valuable way. For example,you can take the measurement at 9:00 P.M. today and the same time tomorrow. *3.Proper Position During Monitoring*:You should avoid the nervous mood during the measurement. Avoid talking or moving and just keep your feet flat on the floor. 4. Auto powers off about 1 minute without operation. 5. Be sure to have more than 2-3 minutes interval between 2 measurements. *Specifications*: Product Type: Arm Blood Pressure Monitor Measurement Method: Oscillometric Method Display: 3'' LCD Digital Display Measuring Body Part: Upper Arm Exhaust Way: Automatic Rapid Exhaust Measurement Range: 0~280mmHg (0kPa-37.3kPa) Pulse Rate: 40~199 Beats/Min Deviation: ±3% mmHg for Blood Pressure Memory function: 198 (2 x 99) Sets Memory of Measurement Values Storage Temperature:-20°C ~55°C /-4°F ~ 131°F Operating Environment: 15% RH-80% RH; 5°C ~40°C /41°F~104°F Power Supply: USB DC 5V/4PCS Alkaline AAA Batteries (Battery Not Included; USB Cable Not Included) Input: AC 100V-240V, 50/60Hz, 0.5A Output: DC5V/1A Auto Power Off: About 1 Minutes Without Operation Material: ABS Materials Color: White Armband Range: 22-32cm/8.66-12.6inches Item Size (Without Armband): 9.5x12x6cm/3.74x4.72x2.36inches Item Weight: 212g/0.46lbs Package Size:17*13*11cm/6.69*5.11*4.33in Package Weight: 407g/0.89lbs *Package Lists*: 1 x Blood Pressure Monitor 1 x Arm Band 1 x Carry Bag 1 x User Manual