Lumiscope Deluxe Automatic Inflation/Deflation Blood Pressure and Pulse Monitor with Irregular heartbeat detection 4 Users with 99 sets of memories each; Averages 5 modes-hour day week month all reading; Date/Time Display (12 hours); WHO Blood Pressure Classification Indication with 6 Color LED lighted indicator; 4 Alarm Clock settings; Includes 4 AA batteries Monitor Standard and Large Adult Cuff AC Adapter Storage Case 4 AA Batteries Instruction Manual (English & Spanish) Quick Start Guide.