Elinchrom EL 20812KIT 400Ws D-Lite To Go Set Includes 2x Manfrotto #3333 stands, an Elinchrom 21x21 and 25.5x25.5 softbox, sync cords, cases and instructional DVD Low sync voltage (5V) makes it safe to sync with any camera Power adjustment is in 1/10 stop increments, from 400, down to 25 watt/seconds Built-in, optical slave allows firing of multiple units without connecting them by wires Use the softboxes to create pleasing portraits