Brand New Direct Replacement Screw Fitting Underwater Pool Light Bulb, 12 Volt and 14W-17W. * 252 Color Changing LEDs: Neutral White, Red, Light Blue, Dark Blue, Green and Purple * 16 Different Color Settings with Smooth Color Transition, Single Color Fade, Medium Color Changing, and Fast Color Changing. * No separate controller neeed just toggle power switch off and on to change color modes. * Warning: Installing a 12 Volt bulb into a 120 Volt socket may permanently damage your pool"s lighting system.