 Razer Hydra

The Razer Hydra (previously known as Sixense TrueMotion) is a motion and orientation detection game controller developed by Sixense Entertainment, a company founded in 2007, in partnership with Razer USA.It uses a weak magnetic field to detect the absolute position and orientation of the controllers with a precision, as stated by its developers, of 1 mm and 1°; it has six degrees of freedom.