LED F15T8 (Eq to 15W CFL) Tube Lamp 7W 18 inch 10-30VDC Latest Generation, LED replacement for 18" F15T8 fluorescent tubes @ 10-30V, (Eq to 15W CFL) Neutral White 4200-4500K, CRI &gt; 75, 650-700LM, Clear lens, 120 degree angle The advantage is ultra-long life, and half the electricity use of CFL florescent tubes - Perfect for RV, Marine, Trailer conversions. No Mercury, No UV or IR radiation, low heat. Please ensure your fixture is wired for 10-30V DC, this is NOT a standard 110V F15T8 - See fixture conversion instructions If this is for a RV or Marine use, then simply cut out (bypass) the ballast and wire one end to 12V, the other to negative - takes 2 mins to wire - See fixture conversion instructions