These days, a good number of baby monitors are battery-operated. Some models even have extra capabilities including a video monitoring feature and an option that lets your baby hear your comforting voice. Factors To Consider When Buying A Baby Monitor Low-battery Indicator As much as possible, you should purchase a baby monitor that has a low-battery indicator. These new types of baby monitors however have been integrated with new technology. Instead of just being able to hear your baby, you can now actually talk back to him or her. There are even some devices that will let you send commands to the baby s device to play different music to hush him or her back to sleep. Mobile baby monitors are examples of such useful devices that make parenthood more manageable than you would expect, especially if you're a single mom or dad. What is a Mobile Baby Monitor? In essence, a mobile baby monitor is a radio transmitter coupled with a receiver. The set is synchronized to a predetermined frequency band that gives off a frequency modulation (FM) signal once it is switched on. This is most helpful to parents who need to be constantly on the go but still want to watch over their baby while doing other productive activities. When are Baby Monitors Useful? Most people think that baby monitors are only useful at night during the sleeping periods of both the child and the parents. As a result of sticking to this course of action, the monitor gets to capture the initial accessible signal that will give out the most excellent reception and not impinge on your other wireless gadgets in the process. 5. Consider purchasing a digital baby monitor. If you want to ensure that your next-door neighbors won't be able to pick up the transmitted sounds from your baby monitor, purchase a digital version instead of an analog one. Studies have been made over the years claiming that too much exposure to electro-SMOG can result to health problems affecting the nervous system of the body. A person may have such initial symptoms of headaches, disruptive sleep patterns, chronic fatigue and abnormal behavioral patterns in children. How Are Baby Monitors Different from Other Gadgets with Electro-smog?