Halo SleepSure Baby MonitorSleepSure is a smart monitor that tracks 4 key measures in real time; heart rate, rollover, skin temperature, and movement. It's designed to make it easier to help your baby sleep better, which means you can sleep better too. Customize alerts and monitor data trends to help adjust their environment for more comfortable sleep. And because life happens beyond the nursery, On The Go Mode lets you track them whether you're on a walk, in the car, or at