The Classic lighted address plaque by PRO-DF is made of weather resistant plastic with a deep bevelled frame and a rich textured surface. This plaque is designed to maximize your home's curb appeal, while keeping a lid on costs. It comes with two LED bulbs that uses less power than standard incandescent bulbs. Your address will be visible at over 100 feet away, day or night. Easy to install, it attaches to any existing doorbell systems (low Voltage). Included: 4 inches numbers, mounting hardware, two incandescent bulbs and two LED bulbs.