A baby monitor, also known as a baby alarm, is a radio system used to remotely listen to sounds made by an infant. An audio monitor consists of a transmitter unit, equipped with a microphone, placed near to the child. It transmits the sounds by radio waves to a receiver unit with a speaker carried by, or near to, the person caring for the infant. Some baby monitors provide two-way communication which allows the parent to speak back to the baby (parent talk-back). Some allow music to be played to the child. A monitor with a video camera and receiver is often called a baby cam.
Alex Colon is the managing editor of PCMag's consumer electronics team. He previously covered mobile technology for PCMag and Gigaom. Though he does the majority of his reading and writing on various digital displays, Alex still loves to sit down with a good, old-fashioned, paper and ink book in his free time. (Not that there's anything wrong wit... See Full Bio
Start by deciding whether you want an audio-only monitor or one that lets you see as well as hear your baby. Some parents are reassured by hearing and seeing every whimper and movement. Others find such close surveillance to be nerve-racking. Having a monitor should make life easier, not create a constant source of worry. You might find that you don't really need a monitor at all, especially if your home is small.
There are two basic types: audio and video/audio. Some are analog, others are digital. All monitors operate within a selected radio frequency band to send sound from a baby's room to a receiver in another room. Each monitor consists of a transmitter (the child/nursery unit) and one or more receivers. Prices range from about $25 to $150 for audio monitors and about $80 to $300 for audio/video monitors.
Aimee is a pediatric occupational therapist practicing in the neonatal intensive care unit and pediatric out-patient at Central Pennsylvania Rehab Services at the Heart of Lancaster Hospital. She has been working in pediatrics for 18 years and is also the owner/operator of Aimee’s Babies LLC, a child development company. Aimee has published 3 DVDs and 9 apps which have been featured on the Rachael Ray Show and iPhone Essentials Magazine. Also certified in newborn massage and instructing yoga to children with special needs, Aimee Ketchum lives in Lititz, PA with her husband and two daughters.
This really is the monitor that does it all! What puts this monitor heads and shoulders above the rest is the activity sensor pad that goes under baby’s mattress and monitors for lack of movement—a helpful enhancement for tracking baby’s breathing during those scary SIDS months. Once baby grows past that stage, breathe a sigh of relief, but don’t throw the monitor out with the bathwater, because the Angelcare AC517 also comes with both an audio and a video monitor! What more could you ask for?
We took these criteria into consideration, factored in user feedback and reviews from across the Web, and eventually narrowed the list to eight cameras for testing. We used each camera for several months, taking notes on the interface and any difficulties we ran into. We connected each model to multiple routers, and used each from various distances and through walls to test range. We also ran each monitor from a full charge down to zero to check battery life. Finally, we evaluated each monitor's night vision in dark environments. Read more about our tests in our full guide to baby monitors.
The Lila video quality isn't great, and while you can see what is happening in the room, it isn't true to life and could present confusing images. However, if you are looking for a monitoring option that provides images with good sound and you aren't worried about the finer image details, then the Lila is a good, easy to use product that is just what you've been looking for.
Still, the video delivered by the Arlo Baby was crystal clear, even at night. A whole host of sensors — temperature, humidity and air quality — can alert you to any change in your kid's room. The versatile app can send you notifications however you want, and we were particularly impressed by an Always Listening mode that streamed audio to our smartphone.
The Infant Optics DXR-8 has a superior battery life to any of the other video monitors we tested, as well as a simpler monitor interface that's more intuitive and easier to navigate than those found on competitors. The range, image quality, price, and many other features are comparable with those of the best competitors. Other good qualities include a basic but secure RF connection, an ability to pair multiple cameras, and simple tactile buttons.
The Nest boasts some impressive hardware specs, such as true 1080p/30fps video and a 3-megapixel camera sensor. Setting up the Nest Cam specifically to look in on a 2-year-old at night, we found the video quality on Nest's camera to be sharper and more detailed than on any baby video monitor we tested. The Nest Cam includes push-to-talk features as well as alerts triggered by motion or sounds. And when your child is past the age when you need a nighttime monitor, you can repurpose the Nest Cam to check in on other parts of your home.
The features we focused on were those we thought either increased the performance of the monitor or made it more user-friendly for parents and increased the odds of getting good quality sleep. We looked for monitors that have sound activation that keeps the parent unit quiet when the baby isn't crying, so parents can potentially fall asleep faster because they don't have to listen to white noise. Some of the monitors were so loud, even at low volumes, that the white noise might keep light sleeping parents awake; this defeats the purpose of having a video product to begin with. We also liked the models with screens that automatically "wake" and/or go to sleep.
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.
As you'd expect, the talk-back functionality and audio quality on the VTech are great—easily better than the rudimentary talk-back features on our video monitor picks. With the battery lasting about 19 hours on a full charge, this monitor has the strongest battery life of any in our test. Rated to a range of 1,000 feet, it exceeds the range of our pick (700 feet) both as advertised and in practice during tests.
Bargain hunters may prefer the iBaby M6T. Though it's a couple years old and records video in in 720p resolution, it's still a capable monitor with night vision, two-way audio and helpful pan-and-tilt capabilities. It's also available for nearly $100 less than the Arlo Baby. If the voice-powered Alexa assistant is a part of your family, consider the Project Nursery Smart Baby Monitor, which includes a smart speaker in its $229 bundle that lets you remote control the camera.
One minor but potentially annoying flaw: The “on” lights on the parent unit are a touch bright, and you may be more sensitive to them since you’re likely to have the unit within view as you sleep. They appear as greenish yellow light from the face of the unit, and a charging light, which is blue when it’s fully charged. Depending on how sensitive you are to light, you may want to lay the display face down on a nightstand or cover the status lights with tape.
Larger homes or locations with more than 4 or 5 walls between the camera and parent unit might be stuck with a Wi-Fi monitor. Most of the dedicated monitors only worked up to 4 walls, with the exception of the Project Nursery 4.3 that stopped working at 3. The Philips Avent SCD630 has the longest range for dedicated monitors in this review, with an impressive 92 ft through 5 walls, so if your needs are greater than that, then none of the dedicated monitors we tested are likely to work for your situation. Wi-Fi connected cameras, on the other hand, are limited only by the wireless router location in relation to the camera and parent unit, and the strength and speed of your Wi-Fi connection. If necessary, routers can often be moved, or range extenders added, to increase the range between the components if the Wi-Fi monitor struggles to keep a clear or consistent connection. Purchasing a monitor from a venue with a simple return policy like Amazon means you'll be able to test the monitor in your house to determine how well it works without the risk of being stuck with a useless product.
The first thing you need to consider is whether you want to have an audio-only baby monitor or one that incorporates video. Some parents choose to use smart home security cameras that send a video feed and alerts to their phones via an internet connection instead. Your choice largely depends on your budget and how high tech you want the baby monitor to be.
If we picked a winner based on features alone, this would be much higher up on the best baby monitor list! The folks at Project Nursery really pulled out all the stops with this feature-packed video monitor. Here are some of the stand-out features: remote camera pan and tilt, two-way audio intercom, infrared night vision, secure (encrypted 2.4GHz) wireless connection, motion alerts, lullaby music, convenient unintrusive sleep modes, low or high temperature warning, pairing for up to 4 cameras, accurate low battery warning system, and great battery life. But even with all of that, there's something really awesome and unique about this baby monitor: in addition to the nice 4.3" screen (there's also a 5" version for a much higher price), it also comes with a 1.5" mini video monitor that you can take with you! Put it on your waist, on the kitchen counter, on your wrist (using the included strap!), or on a table or desk while you do work. We found this mini video monitor aspect super versatile, with high-quality resolution and color video, and probably worth the added cost. Speaking of cost, having all these awesome features and the nifty extra monitor comes at a pretty reasonable cost (about $120) unless you upgrade to the 5" screen. Is it worth it? Well, in our testing the mini monitor had a battery life of about 7 hours when fully charged, which we were really impressed with. The larger "parent" monitor is usually plugged in (like on a bedside table), but on battery mode we got it to run overnight without charging for about 12 hours. That's great battery life for such a large-screen video baby monitor! So some high-quality lithium-ion batteries went into making these monitors, and it shows. The color screen and audio quality were also very high on both units, and it's awesome to have multiple parent units for different situations. Out of the box, setup was pretty simple, and all parts appear to be high-quality and well made. So with all those positives, why isn't this #1 on our list!? First, it has the remote camera pan/tilt, but we found that when the camera is tilted down too much the infrared night vision feature doesn't work so well (there's a glare/reflection). We needed to re-position it in our nursery so that it wasn't pointing down at such an extreme angle; we suspect this won't be an issue in most cases. Second, we tried to get both the large "parent" monitor to work at the same time as the mini monitor, but couldn't get them to both show video simultaneously. We understand that may not be a common use case, but might be nice for parents to be in different locations with both being able to monitor the baby's activity. Again, not a huge issue. Overall, this is an excellent baby monitor system with only some minor drawbacks. Worth the cost? We'll leave that up to you: if you want these awesome features, it's probably worth every penny! Update: So it's been about 6 months now, and we've noticed two things worth pointing out. One is that the cameras disconnect intermittently and have a real hard time reconnecting; this has happened in the middle of the night a few times, which was concerning. Second is that the battery life has declined quite a bit since when it was new, now only lasting a few hours off the charger.
One of the primary uses of baby monitors is to allow attendants to hear when an infant wakes, while out of immediate hearing distance of the infant. Although commonly used, there is no evidence that these monitors prevent SIDS, and many doctors believe they provide a false sense of security. Infants and young children can often be heard over a baby monitor in crib talk, in which they talk to themselves. This is a normal part of practising their language skills.
If all you want is a no-fuss audio monitor, the Bump and Baldwin both recommend VTech’s DM221 audio monitor, which consistently garners a lot of accolades. Using digital audio technology, the DM221 offers clear audio transmission and eliminates the crackle of analog models. A two-way intercom allows you to talk to your baby, while a five-level sound indicator can visually alert you to cries from the other room. The transmitter also features a soft night-light for your child. And don’t sleep on its compact size, which makes it perfect for travel.