Display: Digital LCD<br />Systolic & Diastolic Pressure<br />Large， Easy to Read Display<br />Power Supply: DC 3V AAA battery x 2 (NOT included)<br />Product Size :70 x 72 x 23mm<br />Package Size :90 x 85 x 50mm<br />Humidity and Temperature for Use: Humidity<br />30%--80%RH Temperature 5C -40 C<br />Sevice Life: About 10000 Times<br /><br />Original box: NO<br />Net weight: 85g<br />Color: White<br /><br />Package Content:<br />1 x Digital Wrist Blood Pressure Monitor & Heart Beat Meter<br />1 x Manual