Babies are dependent on parents or caretakers.
They cannot react to any kind of disturbances or dangers in a way that one can notice from a distance.
This makes it necessary to track them round the clock to make sure that they are safe.
Now, it is not possible for parents or caretakers to keep an eye on the baby every moment, particularly when it is sleeping.
Even if they attend it always, they will have to sacrifice lots of other works.
This way, the smooth functioning of their daily lives will get disturbed.
In order to get rid of this difficulty, mothers who are in charge of taking care of the baby can use baby monitors.
This device will help them keep track of the little one when it is sleeping.
And for that they will not have to be in front of the baby.
Baby monitors have a transmitter and a receiver.
You put the transmitter near your baby and keep the receiver with you.
Whenever there is any problem to the baby, such as stopping of the breath or making no sound for couple of minutes, you will be alerted.
So, if you are not there in the baby's room, even then you will know that it is having some problem and needs your help.
From very simple to highly sophisticated, baby monitors are available in various forms.
While some monitors let you listen to the baby only, with some others you can respond to them.
Also, there are video monitors now that allow you to practically watch the baby when you are out there in the lawn or in the kitchen.
Regarding design and style, you have a plethora of options available on baby monitors.
You may also get them with handy features or pre-loaded lullabies in them.