Secure & AccessibleKeep your ZOLL AED 3 defibrillator secure and easily accessible for medical emergencies with a variety of battery-operated, alarmed wall cabinets.* Each holds a ZOLL AED 3, a backup set of electrodes, and a backup battery should you need them. Choose the surfacemounted model for easy installation or the semirecessed or fully recessed models for less intrusive storage. All three models include installation instructions.