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. And the sensory monitor is a movement detector that alarms the parent when it cannot perceive any movement from the child for more than 20 seconds. 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. In this way, you will be alerted whenever your batteries need replacement. Compactness The smaller the size of the baby monitor, the more effortlessly you can carry it around. The only setbacks of wireless baby monitors are that it can be more expensive to wired devices and they are also prone to interference. Wireless Baby Monitors: Solving Interference Problems Issues of interference with wireless devices have been the long time concern of parents who use wireless baby monitors. Just a few presses on the dial pad of the phone and you will right away be presented with several solutions to the problem you are experiencing. Installation of different baby monitors can sometimes be hassle especially if you do not know anything about gadgets and other electronic devices. Other people will do it for you while still asking for your consultation. Video Baby Monitors and Night Vision Baby monitors develop together with technology. As of current date, there are a lot of different baby monitors all of which have their own unique functions. One of the latest baby monitors are video baby monitors with night vision capability. You may have seen it in the movies or on TV - the navy seals attacking at night are not at a disadvantageous position since they are using their handy dandy night vision goggles. From time to time, their receivers are able to pick up signals from their neighbors' wireless devices baby monitors included. Because of these occurrences, a lot of people have made it a point not to mention any private or confidential information while the baby monitor is switched on. Interference with cordless phones and wireless routers is also a common problem.