The Physio Control LifePak 1000 is the most recent AED from Physio Control and offers a host of desireable features. It owns an IP rating of 55 and is the most rugged AED ever made by the manufacturer (previously Medtronic). The LifePak 1000 is intended for EMT's, clinicians, first responders, police and fire units, and medical organizations. It's has an advanced design but remains easy to use. At its core, it uses ADAPTIV biphasic waveform technology with escalating energy settings raning from 200J to 300J to 360J. An oversized screen displays EKG readings and visual prompts. Another benefit for medical practices is the unit's cprMAX technology, which allows changed protocols as practices in the health field change. Of course, plenty of power comes in a non-rechargeable battery that can produce more than 425 shocks. The LifePak 1000 assists medical responders in providing the highest level of care. Biphasic technology delivers 150-360J for a wide range of energy, while cprMax provides flexibility, allowing providers more patient-care time. The LifePak 1000 is also very easy to customize.