Making it easy for guests, deliveries and emergency services to find you, day or night, is important. The Ambiance Lighting System Address Light reduces the guesswork. Both decorative and functional, this address light complements the curb appeal of your home while enhancing safety and security. Individual house number tiles constructed of high impact, UV resistant, high heat polycarbonate. Scratch resistant black numbers on white or creme tiles. Select desired numbers or blank tiles and insert into frame. Maximum visibility by day and night. Increases security, speeds emergency response and deliveries. Big 4" numbers constructed of high impact polycarbonate for clear, precise readability from 100 feet away. Supplied with two Xenon high intensity light bulbs, that generate over 16 lumens of pure white light and consume only 4.5 watts. Over 100,000 hours lamp life at 16 volts. Easy to install, may connect to door bell transformer (16v max.) using supplied terminal block. Innovative design deflects rain and debris. Polished aluminum reflector maximizes light output. Long lasting cast aluminum construction with polyester powdercoat paint finish protects against UV fading and resists cracking by garden chemicals and acid rain.