This flexible, secure laptop plate provides a stable, secure mounting add-on for VESA compatible mounts for retail counters, commercial fleets, industrial lifts, or any place you need a workstation. The base is has a universal VESA 75ÃÃÂÃÂ75 & 100 x 100 holes placement on the bottom that easily attaches to any compatible VESA mount with the same standards. An adjustable security holder grips the laptop screen to ensure optimal security of the device. To install your laptop, insert the key into the lock at the back of the holder. Turn clockwise to unlock, then slide open. Install laptop against fixed end, slide the adjustable holder and lock the back. Your laptop is easily removed when you''re ready to take it with you by simply unlocking the holder arms with the supplied key. A sturdy hinge allows you to adjust the screen for some flexibility in viewing angles. This security holder works with most 15-inch laptops with screens that have a maximum width of 17 inches. Two flexible joints on arm rotate, tilt, and lock in place for easy angle adjustment VESA standards holes for universal compatibility with mounting solutions of the same standard Perfect for passenger or commercial vehicles, like taxis, delivery trucks, emergency vehicles, and more Compatible with tablet cases up to .5 inches in total thickness