The elinchrom d lite rx 22 umbrella to go set is ideal for small business applications portraiture and for anyone interested in the art and creativity of lighting the rx boasts many new features including the in built skyport transceiver radio remote control of flash power settings modelling lamp onoff speed sync mode and triggering el skyport app control for iphone ipad and ipod touch variable f stop steps 11 410 13 210 or 110 visual flash confirmation option the modelli