The HeartStart OnSite Defibrillator is designed for the ordinary person in the extraordinary moment. Innovative technology, based on extensive research and user feedback, has produced a defibrillator so easy to use that, with minimal training, you can potentially save the life of a co-worker, friend, or anyone else stricken with sudden cardiac arrest. This unit is specifically designed for commercial settings. Includes: battery pack, adult SMARTpad cartridge, reference guide, and manual. 5-year warranty.