Godox MF12 Flash Description 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. 2. Rechargeable Lithium Battery: The powerful built-in lithium battery supports approximately 500 full-power flashes with a 0.01 to 1.7 second recycling time. The battery is also easily rechargeable through an included USB Type-C cable. .