Lockable security enclosure deters tampering and theft; Stores and charges up to 10 tablets at easy-to-reach angles; Fits all iPad generations, Samsung Galaxy tablets, and e-readers; Built-in cable management features to minimize tangles and clutter; Includes labeling space for personalization and identification; 3 Secure and Charge units will fit onto one standard AV cart from classroom to classroom; Surface mounting features allow unit to be securely attached to tables or carts and are stackable to save space.