Semi-automatic unit - administers a shock at the press of a button, Supplied with one set of adult electrode pads, battery and software + exclusive extras, 7 year manufacturer's warranty on the defibrillator unit, Battery stand-by life: 4 years, Battery shelf life: 5 years (from date of manufacture), 2 year electrode pad life (from date of manufacture), Daily, weekly and monthly self-tests performed by the unit, Increases energy levels if more than one shock is required, LED indicators show when the device is ready for use and the remaining battery capacity, Available with CPR Device (CPRD) feature: provides real-time CPR feedback for correct compression rate and depth, Provides voice and text prompts to help guide the rescuer throughout CPR and defibrillation treatment, Robust IP55 rated design for high resistance against dust and moisture, Includes non-polarized adult pads that can be placed in either position on the patient, Stores usage information that can be later transferred to a computer for analysis: USB port, Time taken for initial analysis to ready to shock: 15 seconds (typical), Can be used to treat young patients (1-8 years old) using the paediatric infant/child pads (sold separately) This item is shipped directly from the manufacturer, please allow 7 days for delivery.