Aposán Arm Blood Pressure Monitor is easy to use.
This device allows measuring blood pressure on the wrist, being reliable and simple to use at any time of the day.
It also indicates the pulse rate.
It has memory and turns off automatically.
It has a large backlit screen for easier reading.

You should always take measurements in a calm environment when you are relaxed.
Perform at least two measurements, one in the morning and one at the end of the day.