This package contains one pair of adult defibrillation pads which are integral components of the Defibtech Lifeline AED. These pads are for adult use only (8 years or older). With a shelf life of two years the pads can be stored either in the available carrying case or connected directly to the AED to be ready at a moment’s notice. IMPORTANT NOTE: These pads are NOT compatible with the Lifeline "VIEW" AED model.