CYS Floral LED Lights, Submersible, Amber. On/Off switch, Reusable (18 pcs) Submersible Amber LED Lights (Set of 18 pcs), 3 LEDs, Clear casing, battery operated (batteries included), Submersible. - 3 LEDs - Twist to turn on and off - Uses 2 CR2032 Batteries (included) - Submersible, works great under water to highlight the vase and its content