Display: Digital LCDSystolic & Diastolic PressureLarge， Easy to Read DisplayPower Supply: DC 3V AAA battery x 2 (NOT included)Product Size :70 x 72 x 23mmPackage Size :90 x 85 x 50mmHumidity and Temperature for Use: Humidity30%--80%RH Temperature 5C -40 CSevice Life: About 10000 TimesOriginal box: NONet weight: 85gColor: WhitePackage Content:1 x Digital Wrist Blood Pressure Monitor & Heart Beat Meter1 x Manual