The Afterburner lighting kit by Triton Labs is an aftermarket modification to the

Game Boy Advance The (GBA) is a 32-bit handheld game console developed, manufactured and marketed by Nintendo as the successor to the Game Boy Color. It was released in Japan on March 21, 2001, in North America on June 11, 2001, in the PAL region on June 22, 2 ...

in which a

frontlight {{unreferenced, date=March 2008 A frontlight is a means of Lighting, illuminating a display device, usually a liquid crystal display (LCD), which would otherwise be viewed in ambient light. This improves its performance in poor lighting conditions. ...

is installed into the unit. Afterburner is credited with helping Game Boy add a light element and after that happened, Afterburner was discontinued.

References

{{Game Boy line Lighting Game Boy accessories Game Boy Advance