Godox MF12 Macro Flash 2.4 GHz Wireless Control 0.01 to 1.7s Recycling Time 3.7V/6.29W Lithium Battery for Sony Nikon Canon Fuji Olympus and Panasonic with Modeling Light Features: 1. 2.4 GHz Wireless Control: the Godox MF12 Macro MF12 has a2.4 GHz wireless technology enables long-distance transmission, adding more flexibility to your shooting. Additionally, 5 groups with 32 channels each help to prevent interference and disturbance when several wireless systems are working close to each other.5 groups with 32 channels each help to prevent disturbancewhen several wireless systems working together. .