Features: Lightweight 45ws power output Mettle AC slave flash is a powerful, self-contained, AC powered, Slaved electronic flash unit which provides one of most convenient ... :slaveRecycling time:3-5sEffective slave:10mColor temperature:5500K-6000KFlash duration:1/1000sBase:E27Black color is also available. AC Slave Flash light,studio light,Mettle ...