Vktech Underwater Color Change Floating LED Pond Pool Spa Hot Tub Night Light Compact UFO LED lamp to create romantic effect for your bathing / spa time Auto color changing, on / off switch at the bottom, powered by 2 batteries Waterproof design, with sucker to stick onto wall of bath / tile or simply float on water Perfect mood builder, great gift for anyone, ideal for home, bar, wedding, party decorations Light up lasting for 120 hours