The Modern LED House Number 5" inch in brushed aluminum are modern architectural LED House and building number sign system. The LED Aluminum House Numbers are made from a solid piece of aluminum that is CNC machined and finished in brushed finish with an anodized surface treatment for prolonged exterior usage. The acrylic back-lit casing on the house numbers screw together like a Swiss mechanical watch. Each number container 6 - 9 CREE LED. The LED panels are interchangeable and can be replaced at any time. The numbers are powered by a standard doorbell transformer or LED driver. Optional wall spacers are available to project the numbers off the wall The 5" LED House Numbers are Designed by Luxello, 2011