... series Mini Studio Flash is specially used for shooting certificate photos and portraits. It is characterized by short duration, high consistence, ... - cooled part. Moreover, it has the function of low voltage triggering, fast recycling, non-noise, also with universal flash mount ... ±200KTriggering voltageDC 5VTriggering way1.Sync cable 2.Sensor 3.Test button 4.Remote control Fuse5AModeling bulb50W