MonBaby baby monitor with chest movement, rollover movement, and temperature sensors. - CHEST MOVEMENT DETECTION LETS YOU KNOW YOUR BABY IS SLEEPING RESTFULLY: You will receive audio alerts if there is a pause in your baby's chest movement. - KNOW IF BABY ROLLS ONTO TUMMY OR CHANGES POSITION: A smart way to supplement parental monitoring of sleeping position. You will be alerted if the baby rolls over onto their stomach or changes body orientation while sleeping. - CHECK BABY’S ENVIRONMENTAL TEMPERATURE WITH TEMPERATURE DISPLAY: Only wearable monitor that continuously checks baby’s ambient temperature: Set the high and low-temperature notifications to your preferences. - INNOVATIVE SNAP-ON DESIGN: Patented snap-on design allows you to snap onto any article of baby’s clothing easily and securely, even a diaper. - REAL-TIME & HISTORICAL GRAPHS: Track overall activity level over a long period of time. Easy way to assist you in tracking baby’s sleep patterns.