The Godox X1T Wireless Flash Trigger has an outstanding range of 100m and can be set to one of 32 channels for limiting interference with other nearby systems. Another huge benefit is the ability to control up to five groups at a time. The system also support high-speed sync, flash exposure compensation, and flash exposure lock, among other settings. Highlights Works with X Wireless Radio System Compatible with Nikon i-TTL Frequency: 2.4 GHz Range: 328' 32 Channels; 5 Groups Backlit LCD Screen; Sync Delay Settings Exposure Compensation & Exposure Lock Ratio Flash Mode; High-Speed Sync Hot Shoe and PC Sync Terminal Micro-USB Ports for Firmware Updates Read More