Features 1. Fully automatic arm electronic blood pressure monitor, taking care of your family's blood pressure health. 2. There are two power supply modes to choose from freely, which can be powered by 4 No. 7 batteries or USB interfaces, suitable for different scene requirements. 3. Dual user mode: It can independently record the measurement values of two users, with each user having 99 sets of value records, equivalent to 3 months of storage capacity. 4. Correct measurement method: It is necessary to keep the center of the arm strap at the same level as the heart. The correct measurement method can make the values you measure more accurate.SpecificationMeasurement method: upper arm typeMeasurement range: Hypertension/hypotension 20mmHg~280mmHg 40-200 times/minuteMeasurement method: Pulse scanning method/Oscillographic measurement methodDisplay method: LCD digital display screenProduct size: 11.8 x 9.5 x 6.5 cmStorage temperature: -20 ~50 Operating temperature: 10 ~40 Package includes: blood pressure monitor, arm strap, instruction manualColor: BlackWeight: 365 gPackage Include:1x Blood pressure measuring device