Swimline Chill Lite Loon Submersible Led Light Show Loon single pack submersible light show Waterproof light that attaches to metal wall or so'sided pools through magnetic system Comes with Lithium-Ion battery pack and charger 4 red LED, 4 blue LED, 4 green LED, 8 white LED - pick your color or select rainbow mode and with the touch of a button Great as a night-light or extra lighting if the power goes outalso accepts 3:AAA batteries