Fomito Godox XT-16S XT16S Wireless Radio-Controlled Flash Trigger Transmitter and Receiver for Godox Ving V850 V860C V860N Speedlite Adjust flash power lever, turn the on or off of modeling light, focus assist beam, buzzer Wirelessly triggering studio flashes, VING flashes Up to 16 groups can be separately controlled and triggered Transmit frequency: 2.4 GHz Package Included: Godox XT-16 Transmitter+Godox XTR-16S Receiver+Fomito Cleaning Colth*1