Joom: The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist. ----- Features: Using oscillometric blood pressure measurement, accurately measure blood pressure. LCD digital display is readable and convenient to use. Smart Voice Pressure Monitor measures your blood pressure and pulse rate at the same time. Warning message function and irregular heartbeat measurement function. Dual mode, each of 99 sets of memory measures. No operation in 1 minute it will automatically turn off, which is great for home and medical use. Specifications: Voltage: dc 3v Power: 0.01w Display: LCD digital display Measurement method: pulse scan/oscilloscope measurement Measuring range: 20mm280mmhg Pulse rate: 40 beats 200 beats/min Accuracy: 3 3 mmHg (pressure), 3% (pulse rate) Memory: 99 sets Storage temperature: -20 55 55 Storage humidity: 15% RH 90% RH Operating temperature: 10 40 40 Operating humidity: 40%~85% Material: Plastic Size: 11.6cm*9.6cm*5.9cm Package includes: 1 x Blood Pressure MonitorNot include batteries) 1 x USB Cable 1 x Manual