Outdoor Solar House Letter A LED 0.2W with Replaceable Battery in Black. These garden lights are modern or contemporary lighting exclusive to Harbour Lifestyle. The glowing letter A is supplementary and serves as the perfect house number luminaire, alongside other numbers. Being solar-powered, it can be mounted on the house wall independently of the power outlet. During the day, the invisible solar panel is charged by sunlight, at night the decorative number is indirectly illuminated.