Material and design : The small Waterproof Led Lights can be adjusted to 16 kind of color: red, green, blue, white, yellow, purple and other colors decorative lighting. Hot Tub Light is used quality food grade PS material for outer shell, and innovative appearance of this Submersible Led Light is along with 10 ultra-bright LED chips to make the lights more bright . Convenient remote control : The multi-color led lights can be turned on or off by the remote control within 8-10m. Using Pool Lights as decor lights can create a sweet atmosphere when you are partying with your friends.Underwater Lights are perfect for lighting up vases, bowls, bath Led Light Toys or any water filled containers. They can turn a boring bowl into a beautiful and exciting centerpiece. Multi-purpose : Battery Lights can use for Party/event illumination, holiday accent lighting, Indoor and outdoor, home accent lighting, flower design, transparent cover, event design. And also suitable for wedding, party, stage, Halloween, Christmas, disco, shopping mall, jewelry store, showroom, showcase, core, cabinet, museum, shop, aquarium light, aquarium light, home bulb, etc. Battery powered and tips : These Hot Tub Lights for Lazy Spa powered by 3 AAA batteries. It is recommended to use alkaline batteries, which will last longer and are more environmentally friendly. When remote control doesn't work or Waterproof Led lights off, that is low battery warning of the Ambience Light , please replace brand new battery and use normally. Product quality assurance : If the Submersible Led Light work less than 8 hours of use or the battery is installed and placed in a pool without sinking to the bottom, it proves that no alkaline batteries are used.If you encounter such a situation, please replace the alkaline battery. if you have any questions please contact us in time. We will always be responsible for product quality.