Wrist Blood Pressure Monitor Features | 1. 99 sets memory group 2. Measure range: Pressure :20-280mmHg(2.7-37kPa) Pulse rate :40-160times/min. 3. Accuracy: Pressure:±3mmHg (within±4kPa). Pulse rate:accuracy is ±5% 4. Display : Digital liquid crystal display 5. Battery: Two alkaline batteries (AAA) 6. Operating temperatures: 5.0 to 40.0°C, ≤85% RH 7. Dimensions: 82x70 x25mm 8. Auto power off: power off when no operation for 1 minute |