Please note due to a global shortage of semiconductors Sekonic is experiencing temporary delays in production of several of its Lightmeters The next estimated shipment of this model to Australia is September 2021. This is only an estimate and dates may change. Remotely trigger your Elinchrom and Phottix lighting systems with your Speedmaster L-858D-U light meter by installing this RT-EL/PX Elinchrom & Phottix Transmitter Module from Sekonic. It features support for the 2.4 GHz Elinchrom EL-Skyport and Phottix Strato II/Ares II triggering protocols and even enables remote control over the power and modeling lights of select Elinchrom flashes.