1 X Toronado - 20 White Leds on 9' Memory Wire - Submersible 9' Memory Wire With 20 Bright White LED Lights Runs on 2 CR2032 Batteries (replaceable and installed) for up to 8 hours of light time Twist for On/Off Waterproof submersible battery case and lights Battery pack is 1" x 3/4" tall