WoneNice Submersible Battery LED Everlasting Tealights Floralyte, Color Changing with 7 Rainbow Colors. Great for Wedding Centerpiece, Christmas, Thanksgiving, Party Lights. Set of 10 Colour Changing Long battery life: Each light uses two CR-2032 batteries (included) and lasts approx 48 hours Fully Waterproof: Fully Waterproof For Underwater Lighting Displays, Perfect for lighting up vases and any water filled table center piece without smoke or dirty wax to deal with Easy to operate: To activate these lights simply twist the plastic light base. Twist in the opposite direction to turn off. or dirty wax to deal with Safety:Flameless, waxless, heatless: no hassle of dripping wax and completely safe, especially for parties and for families with children Shape&Color:Show as pictures. SLOW CYCLE color changing with 7 rainbow colors