Amazon.com : Powerextra Flash Speedlite, 2.4G Wireless Flash Trigger Transmitter Kit for CA Nikon Panasonic Olympus Pentax and Sony DSLR Camera, Digital Cameras with Standard Hot Shoe : Electronics
Amazon.com : Neewer 16 Channels Wireless Radio Flash Speedlite Studio Trigger Set with Standard Hot Shoe, Including Transmitter and Receiver, Fit for Canon Nikon Pentax Olympus Panasonic DSLR Cameras (CT-16) : Electronics
Flash Trigger 16 Channel Wireless Flash Trigger Set 1 Transmitter + 2 Receivers + 1 Sync Cord for Canon for Nikon for Olympus - AliExpress
FJ80 II S Touchscreen 80Ws Speedlight for Sony Cameras
Amazon.com : Godox X2T-C TTL Wireless Flash Trigger with 2×Godox X1R-C Receiver for Canon Camera Flash Speedlight, 1/8000s HSS, TCM Function, 5 Separate Group Buttons, New Hotshoe Locking, New AF Assist Light :
Wireless i-TTL High-Speed Flash Trigger for Nikon | Fovitec USA
Amazon.com : Flashpoint Zoom Li-on X R2 TTL On-Camera Round Flash Speedlight for Sony (Godox V1) + Flashpoint R2 Pro Mark II 2.4 GHz Wireless Flash Trigger for Sony : Electronics