Checking your blood pressure at home is essential to prevent heart disease and strokes. Our goal is to make sure whoever uses this product would never have a heart problem just because of Basic Necessities.This fully automatic blood pressure monitor which works on the oscillometric principle to measure your blood pressure and pulse rate without hassle. Note: 1.These BP Monitors come with a Medium Cuff i.e 22 to 32 cm arm circumference.If your arm circumference is more you will have to buy a wide cuff i.e 22 to 42 cm arm circumference separately. 2.The method of taking measurement is different (Oscillometric method) so should not be compared to doctor readings (mercury BPM). There will always be near-to accurate rate as per the tests. 3.In required to take repeated measurements then 3 measurements should be taken with a gap of 10 minutes . 4. Instruction Manual is provided for Better understanding.