LED lights produce bright blue light against an attractive curtain of bubbles, fits to standard aquarium airline, low powered transformer included Unique flexible design allows the the bubble wand to be bent around décor, plants and rocks Specially weighted to sit on the bottom or the aquarium, or can be attached to the glass using the suckers included Creates high volumes of small bubbles that aerate and circulate the water for a healthy aquarium 34cm flexible wand with multi colour change LED lights and flexible airline