Allegro 4210-01 is small metal defibrillator case with a battery operated audio alarm. This AED Cabinet helps keep your AED unit protected and safe until needed. The cabinet is made of corrosion resistant steel with electrostatic white finish, a single door and an aluminum handle. Defibrillator graphics are dominantly displayed. The 13" x 13" window on the right hand opening door is made of tempered glass making it easy to check the battery and condition of your AED unit. This AED Cabinet includes a metal shelf.