Neewer&reg; 400W 5600K Bowens Mount Photo Studio Strobe Flash Light Monolight with Lamp Head for Studio,Location and Portrait Photography (SK400) SK400 has precise output displayed on LED panel,20 steps from 1.0 to 3.0 in 0.1 increments. 150W modeling lamp adjusts in 9 power levels.Outstanding output stability,no more than 2% shifts when under the same output. Compact and lightweight body with bowens mount to add almost any studio light shapers. Auto memory and recovery of adjusted panel settings.Anti-preflash function enables synchronization with cameras that have a one preflash firing system. Wireless power control and flash triggering system.Note:Strobe flash light ONLY.Other items are NOT included.