Features: 1) Measuring range: 0-300mmHg/0-40.0kPa 2) Measuring accuracy: ±0.4kPa/±3mmHg 3) Min. scale: 0.1kPa/1mmHg 4) Memory: 60 group memories 5) Auto shut-off (30sec after idle) 6) Battery: AAA x 2, alkaline batteries 7) Battery life: approx. 2 months (at 3min per day) 8) Size: 65 x 78 x 28mm 9) N.W.: 128g (including battery)