Elinchrom EL 20482 400Ws D-Lite 4  Multi-voltage Compact Flash Unit Electronically stabilized power Multivoltage detection from 90 V-260 V with automatic over voltage protection 5 f-stop power range variable in precise 1/10 steps (1/16-1/1) Low 5V sync voltage, protecting digital cameras Auto Dump Function, ensuring efficient power correction