At a cost of Dh 800 million (US$217 million), a record setting fountain system was designed by WET Design, the California based company. Illuminated by 6,600 lights and 50 coloured projectors, the Dubai Fountain consists of many high-pressure water jets and shooters: oarsmen or water robots, which can make the water seem to dance, shooters, which shoot water upwards; super shooters, which shoot water under more pressure up to 240 feet in the air, and extreme shooters, which shoot water under the most pressure to 420 feet in the air. These shooters create a loud "boom" noise after water is ejected. The super shooters and extreme shooters are used the least during each show because it takes a lot of time to build up enough pressure and energy to shoot water that high in the air.