Digital blood pressure monitor-arm style

Name: blood pressure monitor Specifications Operation Temperature: 5 40/41 104 Operation Humidity: 15% 85%RH Max Storage Temperature: -10 55/14 131 Humidity : 10% 95%RH Max Weight: 446.8+-20g(including batteries and belt) Size:170*108*72+-0.5mm Blood pressure testing range: 30 280mmHg(4.0KPa 37.3KPa) Pulse: 40 200 times/min Arm Pressure display range : 0 299mmHg/0 39.9KPa Resolution:1mmHg/0.1KPa Blood pressure Accuracy: +-3mmHg/+-0.4KPa Pulse Accuracy : +-1% Power : 4 batteries od 1.5V Function: 1.show time and date.hypertension,low blood presure,and pulse times 2.clinic tested,high accuracy 3.big memory function,60 sets memory 4.lower power judgement,intelligent logical judement 5.inflation and pressure relief automatically,turn off automatically 6.oscillometric electronical blood pressure measurement 7.arrhymia detection