Serrano (Standard) lighted address plaque features a galvanized steel frame with a tough black color powder coat finish. Plaque can be seen up to 100 feet away at night and comes with 4" black polymer numbers 0-9 twice and tube of adhesive glue in the box. Low voltage, plaque runs between 15 - 18 volts and can plug into your existing doorbell transformer. A set of bulbs are included with 3 feet of low voltage wiring. A low voltage hardwire or plug-in transformer are also available and sold separately.