Godox X2 Wireless Flash Trigger for Nikon, 2.4 GHz TTL The Godox X2 2.4 GHz TTL Wireless Flash Trigger uses a 2.4 GHz frequency and is specifically designed for Nikon's i-TTL system. To prevent interference from other nearby systems, the wireless flash trigger can fire one flash or several dedicated flash units within 5 groups, 32 channels, and 99 ID settings. The built-in scan setting feature can assist you in automatically identifying an ID channel with the least amount of interference for added convenience. Additionally, you can use the flash units up to 328 feet away wirelessly. Important Features Flash wireless transmitter with 32 channels and a frequency of 2.4 GHz High Speed Wireless Range: 328.1' 3.5mm Sync, USB Type-C Port, Large LCD, Sync up to 1/8000 sec