1. 99 sets memory group:. For 2 peoples with date and time 2. Measure range: Pressure :0-299mmHg(0-39.9kPa) Pulse rate :40-180times/min. 3. Accuracy: Pressure:±3mmHg (within±4kPa). Pulse rate:accuracy is ±5% 4. Display : Digital liquid crystal display 5. Battery: Two alkaline batteries 6. Live Voice (Optional) 7. Battery lifespan: 300 times under the condition of 7 alkaline battery with 23℃. 8. Operating temperatures: 5.0 to 40.0°C, ≤85% RH 9. Storage temperatures: -20.0 to 60.0°C , ≤95% RH 10. Dimensions: 115x96 x59mm 11.Weight: 180g (exclude battery's weight) 12. Auto power off: power off when no operation for 8 seconds
