http://www.amazon.in/JSB-DBP05-Pressure-Monitor-White-Blue/dp/B00B6ZSZPK Blood pressure classification (WHO) indicator Average calculation for the latest 3 measurement value to give correct readings 2 x 90 groups memory function, year/month/date/time function 1 BP monitor, 1 BP cuff, 4 AA battery, 1 instruction manual, 1 carry case Power by 4 AA size alkaline batteries or AC/DC power supply, 1 year warranty provided by the manufacturer from date of purchase