Up lights are free standing plug in cylinders that light up using a standard 7 watt night light bulb. This light is available in 4 sizes: Small is 3" in diameter and stands 5" high; Medium is 4" in diameter and stands 8" high; Large is 5" in diameter and stands 10" high; X-Large is 6" in diameter and stands 13" high. (Small Medium and large are shown in photo)