AED The HeartOn A15 AED by Mediana is a cost effective defibrillator packed full of fantastic features. Designed to be used by those who are minimally trained in the use of an AED, the HeartOn AED ensures users are comfortable and confident by offering voice and visual prompts. The instant switch for adult and paediatric mode means that this product is perfect for environments with mixed age groups. Automatically switches on when opened so it's immediately ready to be used. Electrode pads are suitable for use on both adult and paediatric casualties. Visual and verbal prompts. LED indicator lights flash with the corresponding voice prompts. Self-testing with visual and verbal indicators. Disposable battery built into the handle. Rating of IP54.