TAKING CONTROL OF YOUR HEALTH: DRKEA K990I FOR 2 USERS, STORES 99 READINGS EACH You can share your DrKea Blood Pressure Monitor with a family member or friend without being confused about your last stored memory reading. Monitor your blood pressures and pulse rate with ease of mind. You may store up to 99 readings for each user and each reading comes with date and time stamp. No more manual recording of your readings all the time! Crystal Clear LED Backlit Display: Take reading in the dark. Latest AccuRead Technology: Prevents inaccurate usage. Large Cuff: Fits 9" to 17" upper arm size. Steps for Accurate Measurement 1. Sit and rest for about 5 min before taking your blood pressure 2. Place cuff on your left upper arm just above your elbow. Ensure that the cuff strap is at your heart level. 3. Press "ON" to operate the blood pressure machine. 4. Do not talk or move around while taking any readings.