In selecting a monitor that best fits your family, you have three major options to choose from an audio, video or a sensory monitor. Audio monitors allow you to hear the activities of your child (ex: crying) as they pick up sound. This type comes in both analog as well as digital models. The analog monitors are the most affordable but are usually still reliable. The wide range of options include rechargeable batteries for the portable receivers, remote controls, warning alerts for movements or lack thereof, and monitors with musical capabilities. Of course, you need to thoroughly choose features that suit you and your baby; otherwise, you'll end up spending money for something you don't really need. Interferences can be in the form of intercepted voices from other wireless devices such as wireless phones or static sounds. These interferences can also cause sounds to be muffled and inaudible. So Are EVPs Real? Do you believe in ghosts? Do you believe in the afterlife? These questions seem to have no specific and factual answers and so does the question Are EVPs real? Heart Beat Monitor This feature is a must for the device that you will choose since no apnea monitor is 100 percent accurate in detecting cessation of breathing. This will serve as a backup in case the apnea monitor fails to detect apnea because it will also manifest in the heart rate of the baby. Another must have feature is a remote alarm. 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. One great feature of some video baby monitors is the night vision capability. 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.