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 video monitor on the other hand works like a tiny TV by having a camera record the baby s movements while the parent could watch on a small screen receiver. Compactness The smaller the size of the baby monitor, the more effortlessly you can carry it around. Be sure that you buy a model that allows you to place the receiver inside your pocket. An option that lets you wrap the portable device around your waistline is also an excellent alternative. Sound-activated Light It can be difficult to monitor baby sounds if you're trying to vacuum the floor or watch television. These wireless interferences are usually caused by other wireless devices around the house like the wireless phone or a router. Other wireless baby monitors from your neighbor s house can also cause interference. Fortunately, there are ways to solve these kinds of problems like adjusting channels or changing frequencies. 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. The company also adds a recommendation that for parents to have total peace of mind, they can position the monitoring device at least a meter away from the child. And mothers are truly blessed to have baby monitors in their aid that would ease their burden. What are Baby Monitors Baby monitors are technological device that serve as a pseudo mother who is in vigil at bedside. It is a radio transmitter that release FM (Frequency Modulated) signal most commonly between the ranges of 48,830 to 48,890 MHz. A number of products on the market also offer other means of alerting deaf parents to the cries of their infants. One particular product consists of receivers that come in two parts: a main clock and a tiny sound sensor. The main clock functions as the sound-alarm system and is equipped with a vibrating rod attachment that should be positioned under the parents' mattress.