With a baby monitor with a camera and app, you can always keep an eye on your child via your smartphone. Put the baby unit with camera in the baby room. You can then connect the baby monitor to your smartphone or tablet with the app. This way, you always know exactly what's going on in the room of your little one. With the app, you have unlimited range. As a result, you can watch your baby when you're not at home. Many smartphone baby monitors have useful functions to soothe your child remotely, such as 2-way audio or playing lullabies. There are also models where you don't see your child in the app, but you can keep an eye on their health.