FluoroBox is a device that images DNA electrophoresis gel and analyzes. FluoroBox is optimized for the reagents, wavelength of 450nm~490nm, that is invented alternative to EtBr. It consists of LED light and dark room chamber. FluoroBox can also be used in conjunction with UV  transilluminator. Compact size and simple design has satisfied user’s convenience. Gel can be observed through the window at the top and gel cutting can be done conveniently through the doors at each side. Our simple program enables users to obtain results easily and simply quantify the DNA band.