The Wave Point LED air stone is perfect if you are look for a great night light for nocturnal viewing or if you just want to jazz up your aquarium décor and ornaments. The light fully illuminates the airstone and uses low voltage LED lamps and a low voltage transformer. The Wave Point LED air stones comes in four different colours (White, Blue, Blue & White or Colour changing). They also come in two different sizes. (6\" or 12\") Included: - 1x LED airstone -aprox1m of clear silicon airline - Suction cups. You Will Need: To operate this product you will need an airpump with an output of around 200 litres per hour.