[create atmosphere]: the multi color lights can be turned or off by remote control, using submersible lights decor lights can create when you are partying with your friends. [waterproof and reusable]: the small lights can be adjusted to different color. they are perfect for lighting up vases, bowls, bath light toys or any filled containers. the is filled with resin to it. [multi purpose]: they can use for party/event illumination, holiday accent lighting, indoor and outdoor, home accent lighting, flower, transparent cover, event. and also suitable for wedding, party, stage,,,, shopping mall, jewelry store, showroom, showcase,, cabinet,, shop, aquarium light, aquarium light, home bulb, etc. [battery powered]: these underwater light powered by batteries, they will run from 10 12 hours. bright lights use batteries( not included). plastic it to and alkali. they can turn a boring bowl into a beautiful and exciting centerpiece. [tip for low battery warning]: when remote control doesn't work or lighting up red and flashing slightly, that is low battery warning of the submersible light, please replace new battery and use normally.