The Zip40 is a truly universal cart for transporting, securing, protecting and charging all your mobile computing devices: Use it with tablets, Chromebook, Ultrabook, Mac Book and laptops - almost any device with a display size up to 15. 6\". Integrated Power Shuttle Technology optimizes total charge time while safely preventing electrical circuit overload. Features Adjustable dividers give you flexibility to create the capacity option that works for you Separate rear access to AC adapter storage for easy one-time setup and clean cable management Custom country-specific outlet strips include plenty of space to fit oversized wall-plug or brick-style AC adapters Management capability available to make it easy to update devices via Wake-On-LAN Includes external auxiliary outlet to power peripherals, location for WAP installation, and storage space for keyboards or other accessories Compact 30 W x 26 D (77 x 66 cm) footprint saves valuable classroom space and makes the cart easy to maneuver in small spaces Easily zip from one classroom to another - 5 dual-wheel locking casters make for a smooth ride, requiring 33% less push/pull force than carts with single-wheel casters Ergotron s innovative, reliable Power Shuttle power management system charges up to 30% faster than a standard round-robin charging system so devices are ready you need them Using just one power cord plugged into a standard wall outlet Never waste time charging empty slots Includes a convenient on/off power button Tough, secure storage: rugged steel construction withstands classroom abuse Durable steel doors include a solid three-point mechanism with key lock Well-designed ventilation and continuous operating fans keep devices cool