Snuza HeroMD baby monitor is a wearable device which attaches to your baby’s diaper and monitors your baby’s breathing. The HeroMD detects the slightest of breaths and will alert you if breathing is weak or less than eight breaths per minute. If the Snuza HeroMD detects no breathing for 15 seconds it will vibrate in an effort to rouse your baby to resume breathing. If the Snuza HeroMD detects no breathing for 15 seconds it will vibrate in an effort to rouse your baby to resume breathing. The HeroMD detects the slightest of breaths and will alert you if breathing is weak or less than eight breaths per minute. No Cords, wires, pads or external power needed. Parent Unit FeaturesNotifies you of baby activity with audio and vibration alert. Vibrating alert. Low battery indicator. (not included). Baby Unit Features1 baby unit included - portable. Records baby temperature. Records baby . Baby unit battery powered only. - batteries required for baby unit 1 x lithium (included). General information:Model number: HERO MD. Manufacturer’s 1 year guarantee. EAN: 898346002617.