* Lifeline AED semi-automatic defibrillator is safe and straightforward to use even in the harshest of environments. Its easy voice prompts ensure it can be used by anyone, even without prior training.* All the rescuer needs to do is place the pads as per the voice instructions and press the shock button and the defibrillator will do the rest, deciding if a shock is needed. * Proven by independent studies to be the one of the easiest AED?s for use by untrained operators* 8-year manufacturer?s warranty including free software upgrades in line with resuscitation guidelines* Tested to military standards, making the AEDs extremely robust and durable* Complete daily, weekly and monthly self-tests to ensure the units are always ?rescue ready? and require no maintenance* Clear voice instructions, including CPR coaching to further simplify the rescue for responders* The standard Lifeline Defibrillator Battery (approx. 5 years) is capable of performing 125 defibrillator shocks or 8 hours of continuous operationContents* Defibrillator, 5-year battery, 1 set of adult pads, user manual, quick use card