Compact, lightweight, and practical, the Godox SK400 SK Series 400 Ws Compact Studio Flash is a must-have for professional photographers involved in various photography tasks. It is equipped with a 150-W modeling lamp that can be adjusted in 9 different power levels. This studio flash offers an impressive output stability at no more than 2% shifts. Use the anti-preflash function to perform synchronization with cameras that sport a 1-preflash firing system. The built-in LED panel displays the precise output. For added convenience, this flash provides an auto memory and recovery of your adjusted panel settings. Also, the flash’s guide number stands at 65.