Features: Godox TTL wireless flash trigger X1T-S applies to S0NY DSLR cameras with MI Shoe.  Featuring multi-channel triggering.  With built-in 2.4G wireless transmission.  Fully support sony TTL functions, 1/8000s high-speed sync, second curtain sync,flash exposure compensation, flash exposure lock, modeling flash control etc.  With GR group flash and wireless grouping system (max 5 groups&32 channels) and triggering the flash.  Specification: Model: X1T-S;  Type: for Sony Cameras;  Compatible Cameras: for Sony EOS cameras(E-TTL II autoflash);  support for the cameras that have PC sync socket;  Built-in Remote System: 2.4G wireless transmission;  Modulation Mode: MSK;  Power Supply: 2 * AA (Not included);  Exposure Control: Manual Flash: Yes;  TTL autoflash: E-TTL II;  TTL Control: HSS: Yes;  FEC: Yes(±stops in 1/3 stop increments);  FEL: Yes;  Focus Assis: Manual open;  Second Curtain Sync: No;  Modeling Flash: Yes(Fired with cameras depth-of-field preview button);  Wireless Flash:  Wireless Function: In TTL mode, ratio off;  In M mode, flash ratio(A:B C);  Support for GR group flash, A-E group can set their flash mode separately;  Controllable Slave Group: In the Ratio grouping mode,3(A/B/C);  In the GR grouping mode, 5(A/B/C/D/E);  In the Ratio grouping mode,3(A/B/C);  Transmission Distance(Max.): About 100m;  Channels:32;  Others: Sync Delay Set:Yes(0-10ms, use 100 as the unit);  Zoom Setting:Adjust the flashs focal length through the transmitter;  Output Interface:Use a PC cord to input and output;  Firmware Upgrade:Use the Micro USB to upgrade;  Memory Function:Settings will be stored 2 second after last operation and recover after a restart;  Item Size: 7.5 * 7.3 * 4.5cm / 3.0 * 2.9 * 1.8in;  Package Included: 1 x X1T S Transmitter(The camera is NOT included);