72 SMD LED 12 Volt Miniature Color Changing Replacement Swimming Pool Light Bulb Direct Replacement 12 Volt. Screw Fitting Underwater SPA/Pool Light Bulb No separate controller neeed just toggle power switch off and on to change color modes 72 Color Changing SMD 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.