Snuza Hero MD Baby Movement Monitor Snuza hero MD is a wearable clip-on baby monitor that safely and conveniently monitors your baby's breathing movement while sleeping to provide an early intervention opportunity in the event of any interruption in baby's breathing. Hero md clips onto your baby's nappy for total portability and requires no cords, wires, sensor pads, or external power source. Snuza hero md detects even the slightest abdominal movement and will alert you if your baby's breathing rate Falls to less than 8 breaths per minute (this warning can be disabled), or if no breathing is detected. It will first vibrate gently after 15 seconds in an attempt to rouse baby, and if no breathing is detected for a period of 20 seconds it will alert you with an audible alarm. Snuza Hero MD Certification CE (93/42/EECEuropean Medical Device Directive). Depth: 29.15 MM Height: 72.67 MM Material Content: PLASTIC Width: 43.3 MM Listen – activate a gentle clicker sound that let’s you know the Snuza® Hero is on. Watch – movement-rate indicator lights warn you about weak or infrequent movement. Vibration – after 15 seconds of no detected movement, Snuza® Hero gently vibrates to rouse baby. Alert – audible alarm after 20 seconds of no movement or after three vibrate incidents.