Model Number: WA200-1-1-#8921 Brand Name: BENGE Key Specifications/Special Features: Display type: digital formLCD method: oscillometricRange: 30 to 280mmHG (pressure), 40 to 195 beats/min (pulse rate)Accuracy: 3mmHG (pressure), 5% (pulse rate)Inflation: intelligent automatic inflation via pumpPower supply: 2 x AAA batteriesAuto power off: 1 minute after last key operationMemory: 99 sets for two personDisplays time/date with every recordsAverage, for latest three records IHB, irregular heart beating sign WHO, 4 color-indicating blood pressure levels