The JTL SL-250 is a Versalight E Litebox Kit. Versalight E is designed as the upgrade model of JTL Versalight and as a newest professional studio series for portrait photography. It has detachable optidress flash tube with UV correction coating (protected by a glass-made safety cover) for an accurate color temperature, that is crucial for portrait pictures. Continuous output adjustment with a group of 40 fine setting clicks in an even proportion. It features simultaneous modeling tracking with flashing from 1/1 to 1/16 output settings.