A light alarm that activates whenever it picks up sound is always a good feature of the gadget. This becomes very useful in instances wherein you might be preoccupied with loud noises in the area such as the sound of the television or vacuum. This will at least keep you alert and aware if the baby is making noises. Do you believe in the afterlife? 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. With the new feature of these monitors, parents are not only able to provide for the safety of their children by being able to hear possible problems from a distance, but they are also given the chance to solve certain problems or bond more with their child by talking through the portable parent unit. You and your next-door neighbors may utilize similar channels and wind up hearing noises from each other's homes. Cordless telephones may also interfere with your signal. In case interference is a big issue for you, you can always look for something that utilizes the so-called no-interference technology or has additional security features. You can be in the kitchen or in the garden and still be able to keep an eye over the baby since you are not limited with a wire. It is important to know though that these devices also have a limit to their range. Special Features Some video baby monitors have special features. This is mostly based on the manufacturer and provider of your baby monitor. Almost all types of monitors, whether audio or video, can be wired or wireless. It all comes down to budget and preference. The Advantages of Wireless Baby Monitors As have been mentioned, the most advantageous feature of a wireless baby monitor is mobility. Imagine being able to move around the house doing all the necessary chores without losing the ability to watch over the baby.