The Zoll R Series defibrillator includes the R Series BLS, R Series ALS and R Series Plus models; introducing simple and smart defibrillation to hospitals. They make code-readiness possible for every hospital department with advanced, cost-effective solutions for resuscitation. The Zoll R Series is consistent, adaptable, and fully upgradable. 

R Series Models:
The R Series BLS is an entry-level AED with the capability to become a manual defibrillator
The R Series ALS is the first R Series and the most advanced, sophisticated ALS defibrillator. It is available with networking capabilities and see-thru CPR
The R Series Plus is an AED with all the capabilities of the R Series ALS