No need to drill the wall, no need to bring in anyone for installation. Simply mount the stand to your window rails. Shelf for lightweight items like Wifi Router, Mobile, Set top box, Remote, Wallet, Keys, Spectacles etc., Please note, this shelf is not for heavy items. If using for Wifi Router you can mount on Window rails at a higher level for better signal transmission. If you have the internet cable coming through your windows then you will have easy access to Wifi Router stand. This stand is designed to work with most windows. To be sure please see the dimensions/measurements provided in the picture and verify that it works on your window/rails. Brackets are made of Plastic, Platform is MDF wood board. You will get the kit with Brackets, MDF board, Screws and Nuts. You will need to do a simple assembly of Brackets to MDF board with the Screws & Nuts provided. No tools are required - just hand tightening is enough.