Model Number: STS-B210-8-#2330 Brand Name: SENTANSHA Key Specifications/Special Features: 1).Wrist blood pressure monitor2).Display type: digital form LCD3).Range: 30-280mmHg(pressure); 40-180 beats/min(pulse rate)4).Accuracy: 3mmHg (pressure);5%(pulse rate)5).Memory: 90 sets and for 2 users6).Average, for latest three records 7).IHB, irregular heart beating sign8).WHO: 4 colors indicating blood pressure level9).Auto power off: 1 minute after last key operation 10).Power supply: 2 AAA batteries