Automatic Wrist Tonometer Blood Pressure Monitor Bp Machine Digital Blood Pressure Monitor Toma Presion Medical Blood Pressure Monitor Tensiometer Electronic wrist blood pressure monitor Measuring range: 20 mmHg - 280 mmHg Memory: 198 (2*99) memory groups Accuracy: ± 3 mmHg (± 0.4 kPa) Pulse accuracy: ± 5% Auto-off: Automatically turns on after 3 minutes if no operation Voice broadcast function: optional Power supply: DC 3V, 2 AAA batteries Net weight per box: 155 g Gift box dimensions: 80*85*75 cm Packing: 1 set per box, 80 boxes per outer carton Gross weight of outer carton: 14 kg Outer carton dimensions: 43 cm x 35 cm x 42 cm