The Nintendo DS, (sometimes abbreviated NDS or simply DS), is a dual-screen handheld game console developed and manufactured by Nintendo, released in 2004. The name "DS" is short for both Dual Screen and Developers' System. The DS has a horizontal clamshell design, similar to some Game & Watch video games, and the Game Boy Advance SP. A redesigned model, the DS Lite, was released in 2006. The codename for this system during development was Project Nitro.