1. Jumbo LCD to read the digit; 2. 90 memories with date and time; 3. Average function for last 3 times measurement value; 4.Irregular Heart Beat (IHB) indicator; 5. Blood pressure classification indicator; 6. 4 AA size alkaline batteries or AC/DC adapter; 7. Dimension: 160(L)x155(W)x82(H)mm;