These Aura® Ultra-Slim Lamps are white fluorescent fixtures with two-prong grounded plugs and made to mount under cabinets with the included clips, but they're happy to go anywhere. All have a 1-3/8" x 3/4" profile, a 6-foot cord, and T4 high-efficiency bulbs with a 3100K color temp (a "warm" color rating) with an est. 9K-hour life. All can be connected to run in a series with the jumper cords. You pick fixtures at  12W x 19-1/2", 16W x 21" long, or the 20W x 23" long. ETL listed.