The Remote Control for SL150II, SL200II, FV150, FV200 and LF308 from Godox operates on the 2.4 GHz frequency and can make wireless color and light intensity adjustments at distances up to 164′. The remote has 32 channels and 16 groups to avoid interference with other shooters or for complex setups. It’s powered by two separately-purchased AAA batteries.Godox Remote Control RC-A5 for SL150II, SL200II, FV150, FV200, LF308