Range of measurement: - Pressure: 0 ~ 300mmHg - Pulse: 40 ~ 200 beats/minute Accuracy: - Pressure: +/- 3mmHg - Pulse: +/- 5% Fuzzy pressure: automatic re-inflation pump system Automatic air pump inflation Automatic pressure deflation with air release control valve Automatic exhaust valve Display: LCD Memory: 14 records Dimensions: 70 x 72 x 29mm (L x W x H) Weight: approx. 265g Cuff size: approx. 135 to 195mm wrist circumference Power: 2 x AAA battery Operating temp. +10 ~ +40 C°, 30 ~ 85% RH Storage temp. -20 ~ +50 C°, 10 to 95% RH Battery life: approx. 180 times longer Accessory: carrying case, instruction manual, 2x AAA battery OEM is acceptable. Packaging Each in a plastic box