XProS TTL Wireless Flash Trigger can not only control flashes with wireless X system (e.g. camera flashes, outdoor flashes and studio flashes), but also can control for Sony flashes when using in combination with X1R-S receiver. Featuring multi-channel triggering and stable signal transmission, the flash trigger is compatible for Sony series camera. Features: Built-in 2.4G wireless X system & versatile using methods. 16 groups and 32 channels to wireless 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. Extra-large LCD panel, 5 group buttons and 4 function buttons offer convenient manipulation. Only weights 80g for great portability. Support Type-C USB firmware upgrade and wireless triggering by 2.5mm sync cord jack. The flash trigger is compatible for Sony series camera (TTL autoflash) and for cameras with PC SYNC socket. Specifications: Model: XProS Compatible Camera: Support for Sony series camera (TTL Autoflash), for the cameras with PC SYNC socket Flash Exposure Control: Support TTL Autoflash, Manual Flash, Stroboscopic Flash Function: High Speed SYNC, Rear-curtain SYNC, Flash Exposure Compensation, Flash Exposure Lock, Focus Assist 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 input value in the M mode Firmware Upgrade: Through the Type-C USB port Memory Function: Settings will be stored 2s after last operation and recover after a reset Transmission Range: Approx. 0-100m Modulation Mode: MSK Wireless ID: 01-99 Channel: 32 Group: 16 Display: Large LCD panel, backlighting ON or OFF Power Supply: 2 * AA batteries (not included) Item Size: 9 * 5.8 * 5cm / 3.5 * 2.3 * 2" Item Weight: 80g / 2.8oz Package Size: 12.2 * 12.2 * 6.2cm / 3.5 * 2.4 * 2in Package Weight: 168g / 5.9oz Package List: 1 * XProS Flash Trigger 1 * User Manual (English & Chinese) Note: Camera, flash and batteries are not included.