ItemID 19437 Item 19437 Halogen Lights. What an idea! Tiny waterproof halogen lamp puts fish tank, fountain, plants or bookcase in the spotlight. 1 18 inch diameter, 2 inches high with 12 volts. MR11 bulb; 10 foot power chord and 4 colored lenses included. Lenses include clear, gold, red, green and blue. UL approved.