Four user memory with averages. World Health Organization Risk Indicator with 6 Color LED. Irregular Heartbeat Detector, Low and High Heartbeat Detector. Features: 396 Reading Memory with 4 memory zones (99 readings each), Automatic Time & Date Stamp, Functions as a clock when not in use, 5 Average Modes: Hour, Day, Week, Month, and total, 4 alarm settings. Packaging Includes: Monitor, AC Adapter, Storage Case, 2 AAA bateries, Instruction Manual (English & Spanish), Quick Start Guide.