With full functionality of TTL enabled, built-in 2.4G X wireless system to trigger devices from an outstanding 100m range, thats compatible with Sony cameras and flashes that supports ADI / P-TTL systems. The Godox X1T-S TTL Wireless Flash Trigger Transmitter will allow you to have access to all settings such as automatic exposure and metering; exposure compensation & exposure lock; ratio flash mode and high-speed sync. Additionally, the trigger operates on two AA batteries and you can make use of the micro-USB cable to download latest firmware updates.