Features: 1.Imported movement long service life 2.automatically pressure messurment 3.Can store 90 groups of messurement value 4.Large digital LED screen 5.Acurrancy of messurement:blood pressure 3 mmHgpulse number 5% 6.Intelligent automatic pressurize automatic exaust constantly and automatic finish the messuremnt. What you did is to press the button. 7.Simple operation and show your blood pressure and pulse number accurantlyspeedly and cleary with small error. The intelligent simulation measurement Fast measuring SYS.DIA.pulse Large LCD Autosave 60 sets of results Intelligent automatic shutdown Sequential search one set of results Power Supply:4*5 AA batteries(not include) Specifications: Measurement Method:Oscillometric measurement Measurement Range:Blood presure is 0-299mmHg !#!amp!*! Pulse rate is 40-165 times/min Accuracy:Blood pressure:+3mmHg !#!amp!*! Pulse:+5% of measured data Weight:252g Size ofMain:103.5mm(L)*126mm(W)*62mm(H) Package Included: 1*Blood Pressure Monitor 1*Air Tube 1*Manual