A personal watercraft (PWC), also known as a water scooter, jet ski, or boatercycle, is a recreational watercraft in which the rider sits or stands on the outside of the marine vessel and is powered by jets. Personal watercrafts were first developed in the United Kingdom and Europe in the mid-1950s. Personal watercrafts are typically designed for 2 to 3 people. Their features include integrated stereos, cruise control, digital throttle and shift, and braking systems. Today, personal watercrafts are being built for extended use, and many have the fuel capacity required for long cruises. A personal watercraft 5 performing categories include rec-lite, recreation, performance, sport, and luxury.