CTA Digital’s Quick Release Security Kiosk with 4 USB 3.0 Hubs creates an ideal digital workstation for office, home, warehouse, or any place a transition between handheld and handsfree use is needed. This lightweight, yet sturdy metal stand features a useful 4-port USB and data hub for speakers, phone charging, and whatever tech gadgets make your workspace more useful. To remove holder, insert security lock and rotate. When the lock button pops out, remove holder from kiosk. To return to the base, simply insert the holder and lock in place. 2 included cables keep tablets charged at all times. The first connects the tablet to the device; the second plugs into the wall outlet. The enclosure sits neatly on the base in either portrait or landscape orientation. The holder snugly cradles devices via 4 adjustable corner grip arms that leave ports, buttons, and camera available. Special directions are included to guide the correct installation to choose between certain buttons and ports of the tablet to be covered or exposed depending on the placement of the included corner grips. Adjust the thickness of the arms with the included hex key. The base is padded, and protects surfaces from scratches. Pre-drilled holes allow for permanent installation. Compatible with iPad 10th gen 10.9″, iPad Pro 11″, iPad Air 4, Samsung Galaxy Tab A7, A8, S6 Lite, S7, S7+, S8, Microsoft Surface Go 1/2/3, Lenovo Smart Tab M10, P11 Pro, and most 9.7″ – 12.9″ devices with a USB type-C port.