The company now offers a high-brightness version of its light tubes, which employ two high-efficiency dragon LEDs and an aluminum body for thermo-management. Tubes are available in four lengths and in three shades of white, red, green, blue, monochrome, and RGB. Two types of connection are available: connecting leads or a plug-and-light version with a main plug. Other features include single or double-ended configurations and lengths up to 2m. ELMA ELECTRONIC INC., Fremont, CA. (510) 656-3400.