Product name: Blood pressure meterApplication: ArmItem Type: blood pressureDisplay: LED digital displayMeasuring method: Oscillographic methodsBlood pressure: (0~280) mmHgPulse: 5%Charging method: USB chargingBattery capacity: 400mahModel: -A136Item number: -A136Number of uses: 200Power supply: ACApplicable operating temperature: 10-40Automatic shutdown function: YesPressure mode: Fully automaticRated power: 1Rated voltage: 1Power mode: ElectricSpecification: English rechargeable voice modelMaterial: ABSColor: BlackPackage Contents:1* Blood pressure meter1* storage bag1* USB cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.