The Black Backlit 16" Illuminated LED house & building numbers are made from a solid block of aluminum, they are CNC machined and milled to the exact size and then hardened with an anodized black exterior surface treatment for prolonged exterior usage. The 16" numbers are suitable for commercial projects or where large numeral number signs are required. The outdoor large black 16" metal lighted numbers features a german acrylic illuminated casing that screws together like a swiss mechanical watch. A silicone gasket protects the waterproof interchangeable CREE LED panels. The optional wall spacers allow the numbers to stand off the mooting surface by 1/2 inch. The numbers can be powered by a standard doorbell transformer or a LED driver. You can special order the numbers in a bronze, brass, red or brushed silver metal color. LED illumination colors are White, Blue, Amber, Green and Red. Custom sizes and colors are available upon request. Please contact us for more details. 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.