digital wrist Blood Pressure Monitor with time &am

1.85 readings memories with Date/Time 2.about 130g (including batteries) 3.Average of latest 3 records 4.Size: 70*65*55 mm 5.Travelling Case for Unit Storage 6.Large LCD 7.Silent inflation Specification: Digital Filter Technology Large LCD display; One-touch auto inflate Method of measurement automatic oscillometric system Short measurement time Blood pressure/pulse rate display Date and time display Low battery display Operating environment:50-104F, 15%-90% RH Storage environment:-4F to 140F, 10% to 95% RH Power source: 2 "AAA" or 4 "AA" batteries Auto power off in 150 sec Battery life: approx. 250 usages Life time:normally 10,000 times