Made of cast aluminum, the Edgewood "Do it yourself kit" is an elegant way to display a home address. These low-voltage fixtures (only 12-24 volts) have a white back lit lens and are visible at over 100 feet away. The Edgewood provides fast and accurate address identification for guests, deliveries and emergency vehicles. Plaque comes with black polymer raised numbers 0-9 twice, number template, tube of adhesive glue and mounting hardware. Can attach to existing doorbell transformer. A hardwire or plug-in low voltage transformer is also available and sold separately.