Compared to using off the shelf gadgets, professional ones will cost way much higher. This is expected of course since you will be given the best possible baby monitoring system they can provide. Of course, if you have the money for it, then this would not be much of a problem. Another minor disadvantage of this kind of baby monitoring is that you have to confide with the company if you want something to be changed positions, monitoring gadget, monitoring system, etc. With this kind of setup, security and comfort of your baby may be put at risk. Fixing Interference Problems Baby monitors are great help for parents who are always on the go. These gadgets enable parents to multi-task do other chores while still being able to watch over their baby. However, these gadgets may sometimes cause annoyances rather than comfort and relief especially when you live in close proximity with your neighbours such as in flats. - Do not position a baby monitor's transmitter or receiver near water. Like any electronic device, baby monitors can cause an electrical shock if not used properly. - Adhere to the manufacturer's strict instructions at all times with regard to the usage and the placement of baby monitors inside your home. These video devices can either be wired or wireless devices. The most basic application of a wired video baby monitor is to provide live video feed from the room of the baby to the room of the parents. This is most useful during the sleeping hours of the parents. With the video baby monitor installed, you can continually monitor your baby without having to stand up and going to your baby in the next room. These questions seem to have no specific and factual answers and so does the question Are EVPs real? A sound is just a sound and it all depends on how they are interpreted. If the sound of a cat is interpreted as a moo of the cow, then it comes from a cow. If an inaudible noise is interpreted as voices of people from the afterlife then it comes from people in the afterlife. The majority of baby monitors designed for people who have hearing impairments are equipped with a vibrating alarm and/or a flashing light system. These added features alert the deaf parent every time the baby is in need of attention. A number of products on the market also offer other means of alerting deaf parents to the cries of their infants.