To recharge the radio transmitter, simply plug it into the socket as it usually sits still at the side of your baby. Batteries, on the other hand, operate the portable receiver. Although this can be an addition cost, the price you pay in order to take pleasure in its portability is certainly worth it. Even if the lights in the baby s room are switched off, with the help of the night vision baby monitors, you can easily see your baby. They will work perfectly well in low light environment and even in total darkness. Since babies are still quite photo or light sensitive, switching off the lights will greatly benefit them. Shopping For The Best Baby Monitors Looking after your baby's safety is not an easy task. In fact, a lot of parents are willing to spend tons of money just to make sure that they're little bundles of joy are safe and sound. With this in mind, buying only the best baby monitors that the market has to offer seems like an excellent idea. Audio baby monitors only make use of sounds while video baby monitors make use of a camera and transmitter to send video feeds to a LCD receiver. LCD or Liquid Crystal Display are the choice of manufacturers in video baby monitors since it is light, and is the best mobility wise compared to CRT devices. To make sure that your neighbors will not be able to pick up the sounds transmitted by your baby monitor, buy a digital type as an alternative to the analog version. This way, you can rest assured that the only sounds you'll hear are the ones that have originated from your baby's room. 4) Keep your electronic devices at a safe distance from each other. Instead of the device being able to help parents, interference turns them into annoyances. So for those who are experiencing this kind of problem, here are a few tips on how to minimize interference with your wireless baby monitor. 1) Signals coming from wireless devices usually clash with other signals from other wireless devices running on the same frequency.