* Works with X Wireless Radio System - * Compatible with Sony TTL - * Frequency: 2.4 GHz - * Range: 328' - * 32 Channels; 16 Groups; Wireless ID - * Remote Power Control for Select Flashes - * Backlit LCD Panel - * High-Speed, 1st & 2nd Curtain Sync - * 2.5mm Sync Port; USB Type-C Port - * Bluetooth Connectivity