1Accurate Test: Built in chip to collect clinical data of most hypertension patients, optimize the software algorithm, provide accurate measurement. 2Arm Cuff: Electronic blood pressure monitor adopted arm testing type design, with a cuff can be adjusted, which is easy to wear and remove. 3Result Record: Stay on top of hypertension management with this blood pressure monitor, which can record 3 test results for analyze your healthy. 4Easy Operation: Effortlessly measure blood pressure with one button and clear LCD display for easy reading of results, which is easy for elderly use. 5Home Use: Easily measure your blood pressure at home with the electronic blood pressure monitor, designed for accurate and continuous monitoring. Specification Item Type: Upper Arm Blood Pressure Monitor Material: ABS Display: LCD Display Battery Type: 4 x AAA Batteries (Not Include) Measurement Method: Oscillometric detection method Measurement Range: Pressure: 0-280mmHg / 0-11.02inHg, Pulse Rate: 40 times/min-199 times/min Accuracy: Pressure: 3mmHg / 0.12inHg, Pulse Rate: 5% Inflation Method: Vibration plate type pump pressure adjustment method Rapid Exhaust Method: Rapid exhaust valve open method Package List 1 x Blood Pressure Monitor 1 x Storage Bag 1 x Arm Cuff 1 x User Manual