Sensory monitorsdetect the baby s slightest movements even during sleep. It fits under the mattress of the baby and alarms you when the baby stops moving or is absolutely still for 20 seconds. Some models available also come with audio monitors installed. These come with a portable parent s unit that sends you the alarm and allows you to hear your baby s activities. There have been a lot of reported cases by parents that they are getting signals from the baby units that are not relevant to the baby or the environment. Instead, they receive muffled, indefinable, and sometimes almost inaudible sounds which resemble voices and words coming from a human. When examined by experts, these sounds can t be technically explained. Wireless baby monitors are usually the gadgets that experience this kind of problem. They experience interferences because of different factors one of which is the use of other wireless devices either in your flat or in the flat of other tenants. Luckily, there are several ways on how to, if not eliminate, at least minimize the existence of interference. Being able to talk back through the portable transmitter can be very beneficial for parents who have kids with separation anxiety. A familiar voice from the transmitter could be enough to calm a child s anxiety tantrums or pacify worries. And thus, parents who often find themselves caught up in the middle of work, can now simply talk to the child and calm him down without physically being next to him. This condition is the combination of obstructive apnea and central apnea. This is particularly very common in infants. It could occur any time, whether awake or asleep. What To Do If You Think Your Baby Has Apnea When your baby is born, he or she is automatically evaluated for any problems in health like defects in breathing. 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. Take note though that wireless video monitors also have their limitations.