Available as 12 and 16 W LED models with 110+ lm/W efficiency or fluorescent lamp and ballast combinations, Shade luminaires serve areas where full light levels are not constantly required. Occu-smart® bi-level lighting technology conserves energy via ultrasonic occupancy sensing, and design provides soft, even illumination. Offered in 3,000K as standard and 2,700K, 4,000K, and 5,000K as options with CRI of 80 and above, surface mounted fixtures measure 19 ¼ or 24 ¼ in. dia x 5 ¼ in.