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. More often than not, these portable monitors send out signals between the range of 49,830 MHz and 49,890 MHz. Why do you need to buy one? Mobile baby monitors make it possible for parents to keep tabs on their infants without the necessity of staying awake or standing outside the nursery door all night. Perhaps you want to purchase baby monitors with two receivers so that you and your other half could both monitor sounds coming from your baby's room. Having more than one receiver makes it possible for both parents to keep a closer eye on their little bundle of joy. You may also keep the second receiver on stand by in case your main one runs out of battery juice. Instead of only using the simple transmitter with microphone, a camera is installed with it. The receiver, instead of just having speakers, already has LCD screens installed along with them. Video baby monitors have also taken advantage of the current technology of the Internet. With the video baby monitor installed in the room, parents can access the cameras and view the conditions of their babies even when they are at the office. If the parents sleep in a different room from the baby, it would prove to be impossible to be able to monitor him or her perfectly unless you wake up every minute and check up on your little tyke. So the best way to do this is to use a baby monitor. With this kind of device, you can monitor your baby as if you were actually right there beside him or her. If you have the right budget or extra money to spare, then the issue of price is not really that of a disadvantage for you. Conclusion Digital baby monitors are the latest devices that have emerge from the baby monitor market. They may have some edge over older analog gadgets but the latter are nevertheless still effective.