Microphone sensitivity: There’s a difference between hearing your baby cry, and hearing every little noise. All baby monitors have the option to turn down the volume, but some offer thresholds for parents who are more comfortable with only hearing the biggest upsets, and prefer not to hear the self-comforting noises their baby makes as they fall asleep.
Range: Range is the main drawback of an RF model, as audio monitors can roam farther out, and a Wi-Fi connection can theoretically be checked anywhere. We wanted an adequate range in a typical home—to be able to maintain a signal up or down a flight of stairs, across the house, and out on a patio or driveway, but we didn’t expect much beyond that. We zeroed in on monitors rated to about 700 feet of range1 or greater.
We tested each product we purchased in key metrics that allow them to function as expected, or provides an additional feature or benefit. Monitors act as something of a lifeline for parents, so it is important that they work well, have adequate range, provide useful images, and are easy to use. If a product doesn't work well enough to instill confidence, then it will fail to offer parents the one thing they really want, more sleep.
It may surprise you to hear that simply being able to last through the night, unplugged, with the display off, qualifies as exceptional battery life for a baby monitor. The Infant Optics was one of the only monitors in our testing that could easily do that, and then last a while longer the next day before needing a charge. (The manufacturer claims it lasts 10 hours with the display off—we got that amount of time off a full charge, even when checking the display intermittently.) This model also charges via a USB connection, which actually sets it apart from a variety of competitors, some of which use ineffective and inconvenient proprietary DC chargers or even disposable batteries.
Don't be fooled by its cute looks and adorable green bunny ears: Netgear's Arlo Baby is a very capable baby monitor that delivers sharp video of your nursery to your smartphone. The Arlo Baby includes features such as night vision, temperature and air quality sensors, a color-changing nightlight and a speaker that can play lullabies. All of this is very easy to manage thanks to a well-designed mobile app.
This is the second most expensive baby monitor on our list (coming in just under $250), and there is a lot to love about it. First, it has the Samsung reliability and quality control, making it a long-lasting baby monitor that isn't likely to drop signals in the middle of the night. Second, it has a large 5" display with high definition 720p resolution. Third, it has the two-way intercom that allows you to not only hear but also to speak to your baby. Fourth, it has automatic voice activation so if your baby fusses or says something, the screen will turn on and alert you that something's up. It also has a pan-tilt-zoom camera, selectable music/lullabies and a night light on the camera (you can turn on/off remotely), and is expandable up to 4 cameras with just the one display. With all these awesome features, why is it second on our list? In our side-by-side comparison of the Infant Optics and this Samsung, we found the Infant Optics to come out ahead in several regards. First, let's talk about a few advantages of the Samsung: it has a larger screen than the Infant Optics, selectable music, the nightlight, and is expandable up to 4 cameras that you can view simultaneously on the single screen (you can buy the extra baby cameras here). That's a lot of great features. However, when we compare it to something like the Infant Optics that has the same price, there are several disadvantages relative to the Infant Optics and other baby monitors on this list. First, even though Samsung SEW3043W Brightview HD monitor touts a robust 900-ft range, we noticed that when we went outside the signal dropped repeatedly in our back or front yards; it was quite good, however, when going up to the third floor or basement while still inside the house. So there are some definite limitations on the range and signal connectivity. Second, the Infant Optics has the baby room temperature monitor, which we found useful during a few summer nights when we didn't realize how warm it was getting in the baby's room. Third, even though the Infant Optics screen is smaller, we found it to be a bit faster and more responsive as a touch screen, and a bit brighter as a monitor. The two night vision capabilities were about the same. With all these limitations, we're surprised that the Samsung is quite a bit more expensive than the Infant Optics.
Testing battery life for all the monitors was for the parent device only. While some of the dedicated options have a battery in the camera in the event of a power outage, most do not, and they are not intended for use as an all-night option. So while we would support a cordless camera for monitoring baby, due to safety concerns with babies and strangulation hazards, none of the products in our review offer this.
Some good things about this model set it apart from competitors. The iBaby connects when you simply plug in your phone via a USB port on the camera body and grant permission for the monitor to access your wireless settings. The competitors make you enter a router’s network key—certainly doable, but not as easy as the iBaby. With 360-degree pan and 110-degree tilt motion, the iBaby can technically see more of the room than our Infant Optics pick—although its bulbous shape is a little harder to arrange than the pick’s simple wall-mount or stand-up base. The M6S model’s video quality and night vision were on a par with that of our former runner-up, the Samsung SEW3043 BrightView HD (but those results will vary with the quality of your Internet connection and your device’s display). The audio from the camera can play in the background on your phone, so you don’t have to keep the app open at all times.
This monitor is known for its zoom lens, included in the box, that lets you see your baby up close even if you have to position it farther away from the crib. You can use the monitor to remotely adjust the camera, and you don’t have to worry about plugging the monitor in overnight—it can sit on your nightstand for up to 10 hours in the power-saving mode (similar to sleep mode on your computer, but it still provides sound monitoring while the display is off) and up to six hours with the display screen constantly on.