These devices have two components, the transmitter and the receiver. Transmitters are being placed 8-10 feet within the baby or closer if possible. Sounds coming from the baby are being picked up and a signal is then transmitted to the receiver. On the other hand, receivers are being carried around the house or place somewhere that is accessible to the mother or whoever it is designated to keep watch of the baby. The truth of the matter is that the price tag doesn t necessarily guarantee that you'll actually get what you need. Like any other products, baby monitors need to suit your lifestyle and satisfy your requirements, even to the slightest of details. So before you purchase one, try to dwell on a number of factors first. How Are Baby Monitors Different from Other Gadgets with Electro-smog? Because of the huge possibility of the electromagnetic energy used in the digital technology of modern baby monitors, a lot of parents are fearful for the safety of their child. 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. How the Two-way Baby Monitor Benefits You and Your Baby A baby monitor is a device that is used to check on the baby even if the watcher is not inside the same room. It is extremely helpful; especially to parents who cannot possibly stay by their baby s side at all times. The most common type used is the audio monitor. Baby Monitors Basically, baby monitors are devices that parents can use to be able to observe their baby even if they are not in the same room. The most simple baby monitors make use of a simplex transmitter and receiver system. In the baby s room, a transmitter device with microphone is installed while the parents have a receiver device with a speaker. There is really not much difference between the two in terms of monitoring quality except for the fact that wired devices use wires while the wireless ones don t. If you intend to use the video monitor at only one location, then you may opt to use the wired version. But if you intend to use the video monitor in different places all over the house then it would be a good idea to avail of the wireless devices.