16 RGB Color & 3 Dynamic Modes: Bright hot tub lights have 16 multicolors, 5 levels brightness adjustment, 3 color changing modes (flash, fade, smooth) and 3 timer function (2h, 4h, 6h), creating various daily decorations or event party atmospheres.13 Bright LED & Battery Powered: Built-in 13 premium led beads, vivid bright and beautiful submersible lights, can create a sweet atmosphere, provide you an instant and fantastic lighting effect. Powered by 3 AAA batteries (not included), easy to use, secure and wireless.RF Remote Control: The pool lights work with RF remote, which can easily remote max 164ft/50m in air, 16.4ft/5m underwater. It has a very strong signal and one remote can control multiple lights at the same time, no need aim at the li.