Cabin Bright-12 Inch, 12 Volt X-Factor LED Fluorescent Tube Replacement *50% BRIGHTER* UPGRADED VERSION! (5500&deg;K) Each Light Board replaces ONE of your 12 inch tubes! Measures 3/16 inches thick, 3/4 inches high, and 10 inches long. 2 Light Boards provides 1152 lumens  50% brighter than your tubes! Available in 3200, 4100, 5500K Color Temperatures! Operates on 9-16 volts DC - 2 Light Boards draw only .75 amps!