TECHNICAL PARAMETERS
1. Range:20mmHg~300mmHg(2.7KPa~40kPa)
2. Accuracy:Pressure: ±3mmHg(±0.4Kpa)
3. Heart rate error:Pulse rate: ±5%
4. Environment:Operating temperature:5-40°C
5. Display:Big LCD display
6. Battery:Two DC1.5V alkaline batteries
7. Battery life:Approx.2 months
8. Weight:Approx.350g without battery
9. low battery monitor
10. battery life:Approx.2months(test 3times per day,30days per month)