Omron JPN1 Intellisense Blood Pressure Monitor provides easy and comfortable blood pressure measurement. With the help of detects irregular heartbeat, automatically detects if the measurement is usable or needs to be repeated. Many factors such as physical activity, anxiety or the time of a day, can influence your blood pressure. Thus it is best to try and measure your blood pressure with Omron blood pressure monitor at the same time each day, to get an accurate indication of any changes in blood pressure.