1)Measure range : Pressure 30-280mm Hg Pulse 40-200beat/min 2)Basic error: ≤±3.7mm Hg Pulse ≤5% 3)Method: Oscillometric 4)Power: DC6V 3W 5)Dimensions: 160?100?60mm 6)Weight: About 380G 7)Quantities: 20pcs/case 8)Size: 46?36?29(cm) 9)Net weight: 11KG 10)Gross weight: 12KG