The AED Plus comes with Zoll's signature D-Padz which allow the machine to give the user direction in order to increase the affectiveness of the CPR being given. As Zoll so elequently puts it " Only half of Sudden Cardiac Arrest victims required a shock. All of them require high quality CPR".
This unit also includes visual ques and voice prompts to assist the user.
Lithium batteries are easy to instal and replace when needed.