Electronic Sphygmomanometer LCD display Sphygmomanometer (mercury-free) Model: DXJ-210 (table top model) LCD instead of mercury No pollution Measurement accuracy Suitable for hospital, clinic and family Measurement Method: Auscultatory method Display: Liquid crystal digital display Accuracy: Pressure Within plus or minus 0.4KPa (plus or minus 3mmHg) Pulse: plus or minus 5% Battery Type: 2 AA Batteries Battery life: About 2 months with 3-min usage per day Dimensions: 360X96X66mm Cuff: fits wrists 22-33cm