Model Number: WA100-3-1-#3797 Brand Name: BENGE Key Specifications/Special Features: Display type: LCDMethod: oscillometricRange: 30 to 280mmHG (pressure) and 40 to 195 beats/minute (pulses rate)Accuracy: 3mmHG (pressure) and 5% (pulses rate)Inflation: intelligent automatic inflation via pumpPower supply: 2 x AAA batteriesAuto power off: 1 minute after last key operationMemory: 99 sets for two-personDisplay, time/date with every recordsAverage, for latest three records IHB, irregular heart beating sign WHO, 4 color-indicating blood pressure levels