This efficient and compact device is made up of two parts: the radio transmitter and the portable receiver. A baby monitor is especially useful when your little one is still very young. By means of the receiver, you will be able to monitor awakenings in the middle of the night. In this way, you will know when your baby needs feeding, a diaper change or, perhaps, your mere presence and the comfort of your touch. Another dilemma that has plagued analog baby monitors before is the range. There is no total mobility since parents can easily get out of range from the baby unit. But with digital monitors, the range of the devices has been extended making it more possible for the parents to roam around the house without worrying of getting out of range. But on the other hand, manufacturing companies of these digital monitors claim that the amount of radiation that their baby monitors emit are at levels that do not pose serious danger to children. Phillips is one of these manufacturing companies that claim that the level of electro-smog released by their gadgets are 10,000 times lower from the safety norms that are accepted internationally. A variety of products not only permits auditory signals to be heard but even allow the mother from the receiver s end to visualize their baby and play music to soothe the baby even from a distance. To this date, they are no longer just an electric device to keep an eye when the baby cries but offers a number of advantages in ascertaining the baby s well-being. A baby monitor is a gadget set that has a transmitter and receiver, which sends either sound or video (depending on the type) for the parent to be able to supervise the activities of the baby while he or she is away. There are different types of these monitors the audio, video or sensory. The audio baby monitor receives and sends sound so that the parent could hear the baby from a distance. The device usually functions by means of transmitting sound from the baby's room to a portable receiver that can be conveniently placed inside a pocket or strapped around the waist. People with excellent hearing can rest assured that their infants' cries will be heard, even if they're in another part of the house.