Veranda 4 in. x 4 in. White Plastic Square Solar Powered Adaptable Post Cap

This adaptable solar powered post cap is perfect to use in locations where electrical supply is unavailable. And it includes adaptors to fit 4 in. x 4 in. also 6 in. x 6 in. wood post. It automatically turns on at dusk for up to 8 hours of nighttime illumination.