New In Box: The Godox X1T-O is a dedicated 2.4 GHz TTL wireless flash transmitter specifically designed for Olympus and Panasonic (Micro Four Thirds) cameras. It allows photographers to remotely control, group, and fire compatible off-camera flashes and studio strobes with full TTL, manual, and High-Speed Sync (HSS) up to 1/8000s. Compatibility: Fully supports Olympus and Panasonic TTL autoflash, flash exposure compensation (FEC), and flash exposure lock (FEL). Wireless Range: Features a reliable range of up to 328 feet (100 meters). Control & Channels: Offers control over 5 distinct groups (A, B, C, D, E) and 32 channels to avoid interference. Sync Modes: Supports 1st/2nd curtain sync, HSS, and manual power adjustments from 1/1 to 1/128 (or 1/256) depending on the flash). Build: Includes a backlit LCD screen, AF assist beam for low-light focusing, and a micro-USB port for firmware updates.