Neewer 360W Strobe Flash Light Photo Studio Kit and Wireless Radio 16 Channel Trigger Set for Professional & Home Studio Photography New Professional Studio Lighting Kit 360W This is a brand new 180ws Flash Strobe (master/slave strobe). It could be triggered by a flash, infrared and sync cord (included). It also comes with a test button and variable dial for power setting from 1/8 to full. The Studio Light is providing you with a Continues Lamp and Flash Function It will work as main light, back light or hair light and comes with an easy-to-use umbrella holder.