"MODEL- EW3106W VENDOR- PANASONIC CONSUMER ELECTRONICS FEATURES- Upper Arm Blood Pressure Monitor Upper Arm Blood Pressure Monitor with Flash Warning System for Hypertensive Readings. The Digital Filter Technology uses a sensor to detect and isolate only the essential pulse oscillation. It helps eliminate other noise factors leading to quick and reliable measurement capability. This also helps avoid over-tightening of the cuff on the wrist.* Flash Warning System for Hypertensive Readings Readings above 139 on Systolic or 89 Diastolic will automatically flash on the LCD screen.* Automatic Memory Feature Saves your Readings An automatic memory feature allows you to capture 21 readings and save them to track the readings over time. * One Touch Operation--Easy to Use! With just the touch of one button the monitor auto inflates for quick easy measurements. * Large LCD Display The large LCD display panel shows both blood pressure readings and pulse rate displayed simultaneously. * Batteries Included! Our blood pressure monitor comes with four AA Alkaline batteries. -- SPECIFICATIONs ----------------------------------- MEMORY - 21 readings MEASUREMENT - Method of Measurement: Oscillometric System Measurement Range : Pressure : 0