SODIAL(R) Submersible LED Decor Tea Light * Wedding or Events * (Pack of 10) - Purple Great for Wedding Centerpieces and as Floral(Flower) Lights Simple Twist On-Off Re-usable, waterproof, wireless submersible LED lights available in 10 colors. Lights are about 1.25 inches in diameter by about 0.75 inches high. Each light uses two CR-2032 batteries (included) and lasts approx. 48 hours.