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. Features: If the Snuza HeroMD detects no breathing for 15 seconds it will vibrate in an effort to rouse your baby to resume breathing Portable - no cords, cables, wires or sensor pads Vibration stimulus after 15 seconds of no movement Audible alarm after 20 seconds of no movement Replaceable 3.0v Lithium Battery Safety Certification: CE (TV Rheinland), RoHS, FCC, ISO9001:2008 Specifications: Dimensions: H:7.3 x W:4.3 x D:2.9 cm Colour: White Guarantee:12 Months Batteries Required: Yes Material: Fda Approved Thermoplastic Elastomer & Liquid Silicone Rubber Model Number: 56873 Self Assembly Required: Yes