Specifications: Measurement Range: Blood Pressure: 0-250 mmHg Pulse Rate: 30-180 beats per minute Accuracy: Blood Pressure: ±3 mmHg Pulse Rate: ±5% Cuff Size: Adjustable, fits arm circumference of 22-42cm Display: Large LCD display Memory Capacity: Stores up to 2x99 sets of measurements with date and time stamp.