The extra large 24" outdoor modern lighted LED building house numbers are made from a solid piece of aluminum, they are machined and milled to the exact size and then hardened with an anodized surface treatment for prolonged exterior use. The 24" numbers are suitable for commercial applications or where a very large number sign is required. The 24" Lighted building numbers features an acrylic illuminated casing that screws together like a swiss mechanical watch. A silicone gasket protects the waterproof interchangeable CREE LED panels. The included wall spacers allow the numbers to stand off by 3/4 inch from the mounting surface. The numbers can be powered by a standard doorbell transformer or a LED driver. You can special order the numbers in a bronze, black or brass finish with either White, Blue, Amber, Green, Violet, Pink or a Red LED illuminations. Custom sizes are available upon request. How to select the number ? From the drop down menu select each number digit you require and add it to the shopping cart one number at the time. If you want to order to order a different LED Color order the metal color first and confirm via email the change request.