Displays average readings. Irregular heartbeat feature. Stores up to 90 reading in memory. Monitor Features: Pressure Rating Indicator - Visually indicates users blood pressure category from measurements taken (see details inside). Irregular Heartbeat Feature - Alerts user of presence of an irregular heartbeat and provides blood pressure and pulse rate measurements even if an irregular heartbeat occurs. Displays Average Readings - Calculates the average of the total readings stored in memory; a convenient way to get a snapshot of your measurements. Has clock time and date stamp. This box contains: Monitor with 30 memory recall medium cuff (9.4 inches - 14.2 inches) Trilingual Instruction Manual - English French Spanish; Quick Start Card blood pressure logbook. Requires four AA batteries not included.Other products from HerbsPro