This is the Gibbs Quadski, an amphibian that operates as both an ATV and a personal watercraft. Launched in October 2012 by Gibbs Sports Amphibians, the Quadski is a 4 stroke, amphiquad that converts to a personal watercraft. It features a top speed of 72 km/h (45 mph) on both land and water, a proprietary marine jet propulsion system, and wheel retraction. The Quadski can transition between land and water in about five seconds. The Quadski uses Gibbs High Speed Amphibian (HSA) technology, which includes more than 300 patents and patents pending worldwide.