This is a light or beeping sound that lets you know that you've reached the monitor's range limit. If you have a model without this feature, static might be the only indication that you're out of range. (A monitor's range can vary due to your home's size, its construction materials, and other factors.) The greater the range, the better--especially if you plan to take your monitor outside.
Beyond that, we wanted to hear from an expert on the products’ (perceived and real) security risks. So we spoke to Mark Stanislav, the director of application security for Duo Security and the author of Hacking IoT: A Case Study on Baby Monitor Exposures and Vulnerabilities, whose research has been featured in The Wall Street Journal, The Associated Press, CNET, Good Morning America, and Forbes.
Last, a few features are simply not that useful, but they’re more like unnecessary clutter than legitimate flaws. The talk back feature can be difficult to understand on the baby end of the line (we found it works best—that is, intelligibly—if you speak about a foot away from the microphone, and avoid shouting). A “shortcut” button to control the monitor’s volume and brightness doesn’t really save you much time. There are other features on the menu—counting the little songs, a timer, and a zoom, you have a total of about seven. But honestly, after testing this monitor for some time and others for years longer, the only thing you really need to be able to do regularly is adjust the volume.
The time you use your device depends on your needs and what type of device you choose. Movement products have the shortest lifespan and only work up to about 6-9 months old or when your little one starts rolling and moving. Sound and video options can be used for years depending on your needs. Video products can arguably be used for the longest period because it can help you keep tabs on older children as they nap and play. Wi-Fi options have the most extended use as they can also keep an eye on a nanny or work for security purposes. The Nest Cam is designed for security use and can be used for years to come in lots of applications. If the duration is a top concern for you, then the Wi-Fi video products, like the Nest cam or LeFun, should be your go-to choice.
Features are important, but we encourage you to consider which features you think you will realistically use and which sound like fun in theory, but probably won't happen in practice. Many of the monitors carry a higher price tag and justify the price with the addition of features parents are unlikely to use in real life. Features like alarm clocks for feeding schedules, and alerts for low humidity might feel like something you should consider, but in practice, sound activation and quality images are more useful. In fact, more features often translate to being more difficult to use, and many of the features are novelty functions that most parents stop using over time. A good example of this is the Philips Avent SCD630 with an ease of use score of 8, but a features score of only 4. Try not to fall for the propaganda of bells and whistles that you might only use for the first few weeks. In the end, what you want is a good monitor with great sound and video quality.
We wanted to recommend an inexpensive video monitor, but their flaws were so significant that we decided we’d rather spend less on a quality audio-only monitor like the VTech DM221. This is a well-reviewed best seller in the category, and it has crisp sound and better talk-back functionality than the best video monitors we found, as well as a longer range and better battery life than our video picks. It easily beats out its audio-only competitors for various basic reasons like being cordless, rechargeable, or less expensive.
Some audio/video monitors filter out "normal" sounds and motions. The receiver is supposed to turn on only when your baby makes an unusual motion or sound, such as crying or rolling over when he's waking up from a nap. This feature is designed to extend battery life, although the receiver should be docked for overnight monitoring to keep the battery charged. We haven't tested any models with this feature, so we don't know how well it works.
It really depends on what you feel most comfortable with. There are audio monitors that allow you to listen to any noise coming from the nursery, vital monitors that track sleep and breathing and video monitors that add sight to sound. Babylist parents overwhelmingly choose video monitors. The security of seeing what your child is up to—like if they’ve gotten tangled in their swaddle, pulled their diaper off or climbed out of the crib—can be worth the extra cost of a video monitor.