7 different modes: Colorful Light Show, providing an effective alternative to expensive lighting systems for your swimming pool, spa, or pond, making it very interesting to watch. Beautiful multi-color effect, different combinations of red, green, and blue light. Simply press the button on the surface of the light to choose your preferred lighting mode. Product size: 10.7 * 10.7 * 8CM. Each effect has a different pattern and display. The dome shape means that light can extend to the swimming pool or room. Battery powered, easy to install, waterproof, suitable for aquariums, bathrooms, swimming pools, ponds, family gatherings, discos, bathtubs, etc. Power supply: 3 AAA batteries (not included). Material: PP. Operation mode: Unscrew the cover and install three No. 7 batteries, then tighten and close the cover to prevent water leakage. Gently press the switch on the cover to enter the mode of turning on the light. Pressing the switch once will enter different modes, with a total of 8 modes cycling.