DEFIBTECH Lifeline View Adult Electrodes for ECG/PRO AED –this package contains one pair of adult (8 years or older) defibrillation pads for use with the Lifeline VIEW, PRO and ECG AED. These pads can analyze ECG to detect shockable/non-shockable heart rhythms. Package shows where the pads are placed on your patient’s bare chest. Store the pads connected to the AED. These electrodes are single use pads, we suggest that you keep a extra set of pads with your Lifeline View AED. Each set of pads have the expiration date printed on the package and have 2 year shelf life.