Also supports Multi Strobe mode, 1/8000s high speed sync, front/rear curtain sync, FEC/FEB/FEL (flash exposure compensation/bracketing/lock), S1/S2 optical slave modes, etc. The magnetic flash head is compatible with Godox AK-R1 NEEWER GM-M1 CR-M2 CRS6 CRB1 S2 type mount for diverse flash effects with various circular flash.