Godox 400w Monolight Strobe Sk400 Photography Studio Flash with Lamp Head Fast Shipping:2-5 working day you can receive the goods(Shipments from the United States).Precise output displayed on LED panel, 20 steps from 1.0 to 3.0 in 0.1 increments Compact and lightweight body with Bowens mount to add almost any studio light shapers Outstanding output stability, no more than 2% shifts when under the same output Auto memory and recovery of adjusted panel settings Anti-preflash function enables synchronization with cameras that have a one-preflash firing system