7"-17" LED conversion kit. Includes 1 LED rail, 1 LED driver and cabling with flying leads. For use in LCD panel sizes 7-17". Strip Rail can be cut in increments of 3 LED's for your specific size. Over 2 times the luminance output of traditional CCFL backlights. The dimmer function (DM) may or may not be used in your application and is not necessary to power on the kit.