The D-Lite RX 4 is one step up in the Elinchrom studio flash family, offering a robust case with ergonomic handle for harder working with larger accessories. With 400Ws, these units are ideal for small business applications, portraiture and for everyone interested in the most creative lighting. These Swiss designed and tested units will not only give many years of reliable service and pleasure, but also make it extremely easy to upgrade your lighting as your interest and need grows. The Skyport remote control built into the Elinchrom units offers cordless triggering and control of power from the camera, and control of all functions from many other common devices.