The First and Only Full-Rescue AED. Real CPR Help® provides real-time feedback for depth and rate of chest compressions during CPR. The AED Plus® is the only AED that can see what you’re doing during CPR and provide audio and text prompts and a visible bar gauge on the display screen for each compression in real time. Powered by 10 Lithium batteries. Best Ingress Protection rating for dust and water. Contents: 1 Zoll Fully Automatic AED Plus, 1 Set of Zoll CPR-D padz, 10 Lithium Batteries, 1 Zoll AED Plus Soft carry case, 1 Zoll AED Plus Operator's Guide & AED Plus Administrator's Guide, 1 3D Wall Sign (7 x5.9 in.), 2 AED Stickers for doors and windows (6.7 x 8.7 in.), 1 AED Wall Cabinet with Alarm (17.3 x 17.3 x 6.2 in.)