Free Express Shipping! Godox QT600IIIM Flash Head 600 Ws, 5600K Color Temperature, 0.01-0.9 sec Recycling, Flash Duration HSS: 1/26,100 sec, Built-In Wireless X System, 32 Channels, 16 Groups, Optional X1, X2 & XPro Transmitter, 1/256 to 1/1 Power...