Built-in Godox 2 4G Wirless X System versatile Using methods -Can as a Wireless Godox Flash Trigger/ Wireless Sony Camera Flash Trigger/ Wireless Shutter Release Trigger/ Flash Trigger with 2.5mm Sync Cord Jack. Support TTL Autoflash and Professional Functions -16 groups and 32 channels to wirelessly control and trigger. Add 01 to 99 wireless ID settings, which can only achieve triggering when the channels and wireless Ids of the master and slave unit are set to the same, avoiding signal interference effectively. Fully support TTL autoflash, 1/8000s high-speed sync, multi flash, manual flash, flash exposure compensation, TCM transform function, magnification function, one-shoot &multi-shoot setting, group modeling lamp control, group zooming, adjusting all groups output value simultaneously, etc. Outstanding Design, Easy Operation and Great Portability -Extra-large LCD panel, 5 group buttons and 4 function buttons offer convenient manipulation. This flash trigger can be used on the following Sony series camera models: a77lI a77 a99 ILCE-6000L a9 A7R A7Rlll a350 DSC-RX10 etc. Features: 1. Godox XProS TTL Wireless Flash Trigger can not only control the flashes with built-in Godox wireless X system .e.g. camera flashes, outdoor flashes and studio flashes, but also can control the Sony original flashes when using in combination with X1R-S receiver. 2. Featuring multi-channel triggering and stable signal transmission, this fiash trigger applies to hotshoe-mounted Sony series cameras. Specifications: Model:Xpro-S Compatible cameras: Compatible cameras Sony series cameras(TTL autoflash) Support for the cameras that have PC sync socket. Power supply: 2*AA batteries TTL autoflash: Yes Manual flash: Yes Stroboscopic flash:Yes High-speed sync:Yes Second-curtain sync :Yes Flash exposure compensation: Yes. ±3 stops in 1/3 stop increments Flash exposure lock: Yes Focus assist: Yes Modeling lamp: Control the modeling lamp by the flash trigger Beeper: Control the beeper by the flash trigger Wireless setting:The receiver end can control the camera shooting through the 2.5mm sync cord jack ZOOM setting: Adjust the ZOOM value by the transmitter TCM function: Transform the TTL shooting value into the output value in the M node Firmware upgrade: Upgrade through the Type-C USB port Memory function: Memory function Settings will be stored 2 seconds after last operation and recover after a restart Transmission range (approx.): 0-100m Built-in wireless:2.4G Modulation mode: MSK Channel:32 Wireless ID: 01-99 Group:16 Display: Large LCD panel, backlighting ON or OFF Dimension:90x58x50mm Weight:80g Package List: 1* Godox XPro-S Wireless Flash Trigger 1*Letwinf Cleaning Cloth