Bioland wrist blood pressure monitor has one button accurate BP measurement, 128 automatic BP memories, BP measurement range 0-300 mmHg, can measure pulse rate with 40-200/minute, blood pressure accuracy +/-3 mmHg, pulse accuracy +/-5%, inflation / deflation by micro-controller electric pump system, large LCD display with date/time clock, systolic and diastolic pressure level in one display, traveling case and wrist-pillow when measurement, power source 2 x AAA batteries.