Description:
 
A digital device will also have a cuff that wraps around your arm. To inflate the cuff, you may need to use a rubber squeeze ball. Other kinds will inflate automatically when you push a button.
After the cuff is inflated, the pressure will slowly drop on its own. The screen will show a digital readout of your systolic and diastolic blood pressure.
After showing your blood pressure, the cuff will deflate on its own. With many machines, you must wait for 15 to 30 seconds before using it again
A digital blood pressure monitor will not be as accurate if your body is moving when you are using it. Also, an irregular heart rate will make the reading less accurate. However, digital monitors are the best choice for most people. 
2×90 sets memory: Memory function, Double Mode, totally can store 180 readings automatically.
It's portable, you can use it at anytime and anywhere
Colour: Black
Cuff Size:  22-32cm, it's suitable for standard upper arm
 
Package Includes:
1 x BP Monitor ( With sound )
 
Note: 
Batteries are included in the product but for some reason if its not work then buyer has to buy it separately, we don't take a responsibility of the battery