Flashpoint Zoom Li-on X R2 TTL On-Camera Round Flash Speedlight For Pentax (Godox V1) + Flashpoint R2 Pro Mark II Transmitter for Pentax Cameras - Walmart.com
Amazon.com : Godox CT-16 Wireless Radio Flash Trigger Receiver Kit,Fit Compatible for Canon Nikon Pentax DSLR Camera Studio 3-in-1 Flash Transmitter and Receiver : Electronics