Different from regular LED light, this super bright LED underwater light has synchronized color controllable function, when connect it to your power switch, you can control the light color by turning off/on power switch in a second. And you can get gentle changing color effect like regular auto changing light or you can get single color or mixed color. And best of all, if you connect few lights together using the same power switch, you can get all the lights controlled and synchronized with same color effect and timing. This light has 144 LEDs(mixed with red, blue and green LEDs), energy saving less than 14W, safe low voltage input 12VAC/0.6A, outdoor UL transformer included. ABS light housing, size 6"(diameter) x 3"(h)stand, submersible cord length 33', great effect as pond light or fountain light. It can also be used as garden spot light or statue light above water.TECHSIN