The Elinchrom EL-Skyport Universal Plus Transmitter & Receiver Set is tailor-made for Elinchrom’s ‘RX’ flash heads but is ...

The project is also known as Strobist project Open-source Trigger (SPOT) which is a very cool photography hardware that contains a wireless flash trigger that which allows adjustments and triggering ...

I feel the Godox XPro TTL/HSS flash trigger is a little reminiscent of the pro-grade Canon Speedlite Transmitter ST-E3-RT in its look and feel, which is no bad thing. Having bought and extensively ...

Something like this would do the trick - and there are both cheaper and more expensive variants. You need line of sight of course and these can be triggered by other ...