No cords, wires, pads, or external power Portable and easy to use monitoring device Certification CE (93/42/EECEuropean Medical Device Directive) Small wearable monitor that simply clips onto baby's nappy / diaper Vibration stimulus 15 seconds after breathing stops / Alarms 20 seconds after breathing stops Product dimensions (L x W x D): 72.67 x 43.30 x 29.15 mm