Godox Ftr-16s 16 Chanels Flash Wireless Power Control Receiver for Godox V860/V850 and Neewer Tt850/Tt860 Godox Wireless Control Receiver 16 chanels and 433Mhz Working radio frequency Compatible Triggers: FT-16S Flash Trigger, Cells II Transceiver(Cells Nikon and Canon Trigger selling in our store) Package includes: 1 x Godox FRT-16S Receiver