Defibrillators work by delivering a shock to a heart that has stopped beating or is beating irregularly due to an electrical problem. Shocking it in order for it to return to its natural rhythm, defibrillators can save a life when someone has suffered a sudden cardiac arrest (SCA). Used by placing electrode pads to the patients chest, defibrillators cannot function without electrode pads which is why it is always vital to ensure you have enough to last more than one patient.Utilising impressive patented Rescue Ready technology with embedded circuitry, these Powerheart G5 electrode pads have the latest and up to date features meaning they can communicate presence, functionality and expiration directly to the Powerheart G5 defibrillator to ensure you are always prepared and ready to go in an emergency.Disposable and non-polarised, these electrode pads can be placed on both sides of the patients chest in order to reduce confusion and save time during an emergency rescue. Complimented by an impressive two-year shelf life, rest assured having a pack of these adult electrode pads in your defibrillator pack will mean you are always prepared. Two-year shelf life Patented Rescue Ready Technology Non-polarised so can be placed on both sides of the victims chest.