Bilingual voice guide prompts use and announces readings aloud. WHO indicator provides an instant comparison to the World Health Organization standards. Features irregular heartbeat indicator, 120-reading memory with 2 memory banks (60 readings each), automatic one button operation, large LCD display with date and time stamp and automatic shut off. Displays systolic, diastolic and pulse readings simultaneously. Includes case, guidebook in English and Spanish, Quick Start Guide, AC adaptor (for the arm monitor), and batteries (4AA for the arm monitor and 2 AAA for the wrist monitor). Lifetime limited warranty.