2.4GHz PMR Remote Release System with 2 receivers on camera and flash unit (incl. Studio Flash Adapter) for Fujifilm S1, X-M1, X-E2, X-A1, XQ1, X-T1, X30, X100T (Electronics)
While there are also super cheap variants. But for me easily procurable CR2032 battery in the transmitter and 100m range were decisive. The perceived quality is very high. About slide switch you can choose in the transmitter and receiver frequency. H
