Instructional Videos We encourage you to watch these videos to learn about specific functions of ZOLL products. To learn more about a specific product, select the product from the list on the right. Some videos are available in multiple languages. To play a video, click on a thumbnail, and a pop-up will appear. Featured Video The R Series® Monitor/Defibrillators has easy-to-use technologies to help you consistently deliver high-quality CPR, provide optimal defibrillation and pacing treatments for all your patients. Learn more about the basic operation by viewing this video.