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. Specification Measurement method: upper arm type Measurement range: Hypertension/hypotension 20mmHg~280mmHg 40-200 times/minute Measurement method: Pulse scanning method/Oscillographic measurement method Display method: LCD digital display screen Product size: 11.8 x 9.5 x 6.5 cm Storage temperature: -20 ~50 Operating temperature: 10 ~40 Package includes: blood pressure monitor, arm strap, instruction manual Color: Black Weight: 365 g Package Include: 1x Blood pressure measuring device