Specifications include, but are not limited to: The ready-to-go iPad charging solution. No cables or power adapters required. • Provides charging, secure storage and transport for up to 20 iPad devices • Includes pre-installed Lightning cables, eliminating setup time • Securely store headphones, keyboards and more with the included storage accessory totes • Individual charge status LEDs above each slot indicate which devices are fully charged, without the need to remove them from the cart • 1” wide device slots are reconfigurable on-the-fly to accommodate most protective cases • All-steel construction • Entire product listed to UL 60950-1 standard for safety • 20 Lightning to USB cables (pre-installed) • 4 accessory storage totes (2 large, 2 small) • User-programmable combination lock • Wall-mountable locking system for securing cart in a room • User Guide • Power cord (pre-installed)