Light Sensor Control: The pool light will turn on automatically when it gets dark and turn itself off when re-exposed to light or when the battery is fully discharged. Floating on the Water :The pool light can floating on the water to decorate your pool or garden. At night, the light will flash different color and float with the breeze, increasing a romantic ambience. Color Changing: bright 7 color automatically changes (Red, Yellow, Green, Blue, White,Orange and Purple), make a unique lighting experience in your garden Solar Powered: Solar-Powered Floating pool lights, when press the switch and it will automatically get charged during the daytime (enough sunshine), ON/OFF switch placed on the bottom of the solar light. Energy-saving and environment-friendly. Wide Applications: Floating lamps will light up any beach party, school dance, glow party or festival! Glow in the Dark Beach Balls are extremely popular at Spring Break, family BBQs, concerts, and make great glowing decorations too!