NeewerFT-16S 16 Channels Wireless Power Control Flash Receiver Neewer&reg;FT-16S 16 Channels Wireless Power Control Flash Receiver for TT850/TT860 and Godox V850/V860 Speedlite,Wireless Control Receiver ^Fit for: Neewer TT850 TT860 Speedlite Flash ^Compatible Triggers: FT-16S Flash Trigger, Cells II Transceiver ^Working radio frequency: 433Mhz ^Channels: 16