Godox Cells II Kit(2pcs) 1/8000 Sync Speed All-in-One Wireless Remote Ettl Ttl Flash Trigger Canon with Trigger Reveiver and Transmitter also As Wireless Shutter Release for Canon EOS DRSL Camera Connet Studio Strobe Monolight Flash Speedlite and Neewer/Godox V850, V860,Ad360 Ad180 The device is designed to function as a wireless transmitter and a receiver for studio flash, speedlite, and camera shutter. Featuring multi-channel triggering, stable signal transmission, and sensitive reaction, it gives photographers unparalleled flexibility and control over their strobist setups. With Cells-C, high-speed synchronization is available for most of studio flashes in the market. The max. flash synchronization speed is up to 1/8000s*. The transceiver is suitable for hot shoe-mounted Canon EOS series cameras.