USB Charging Stations secure, organize, and provide syncing for 16, 32, or 48 tablets. Included USB sync uplink port lets users configure, back up, and restore tablets using host computer. Also available, AC Charging Stations secure and organize 16 or 32 Chromebooks™ or laptops. Stations provide up to 2.4 A (12 W) per port and automatically match each device's top charging speed. While locking door keep tablets safe, flow-through ventilation prevents devices from overheating while charging.