Enable responders to safely and promptly defibrillate infants and children under 8 years of age or 55 pounds. These special infant/child pads contain electronics that attenuate, or reduce, the energy of the defibrillator's shock from 150 to 50 Joules, an appropriate dosage of SMART Biphasic therapy for infants and small children. The FR2-series defibrillator can evaluate children's heart rhythms with outstanding accuracy for appropriate shock/no-shock decisions. Cable Length 48 inches. Fits unit shown.