Pocket Wizard PowerST4 1x Elinchrom RX Receiver
PowerST4Power Control for Elinchrom RX The PowerST4 Receiver enables remote power control of Elinchrom RX flashes using PocketWizard ControlTL technology. With a MiniTT1 Transmitter or FlexTT5 Transceiver on your camera and a PowerST4 plugged into your Elinchrom RX flash, you can now adjust the flash power