Differentiated illuminance, light distributions, and light colors add rhythm to the appearance of the facade. FL39 supplies kinds of optic options, especially narrow 8deg and 3.8 deg quite narrow beams for over 200m high facades. Tunable White from 2200k to 4000K supports continuous modification of color temperature. 2200K perfectly restores the warmth of traditional lamps. RGBW adds chromatic dynamism to the nocturnal scene. With a variety of light levels, white and RGB color mixing, and beam angles, FL39 creates the perfect lighting design for facades.