Sekonic light meter Speedmaster L-858D dedicated transmitter RT-GX (Godox compatible). Almost unused, in excellent condition. This is a dedicated transmitter for the L-858D, compatible with Godox's 2.4GHz wireless system, allowing remote control of flash firing and light output adjustment. Wireless flash duration analysis measurement is also possible. A large number of channel settings allows for the management of multiple flashes. Please note that this is a used item, so please refrain from purchasing if you are sensitive to such matters. Thank you. * We are also selling the Sekonic light meter Speedmaster L-858D, so please consider it as well.