The manta ray underwater LED spotlight is unparalleled in its quality and brightness. The fixture uses a replaceable MR-16 style LED lamp (included) that is equivalent to a 20 watt halogen lamp. The super bright LED lamp has an extended lifespan and offers great power savings with a high brightness at only 3.4 watts. Perfect for lighting under water falls, ponds, water lilies, trees, decks and patios or even fountains.