Xpro-C TTL Wireless Flash Trigger can not only control the flashes with built-in wireless X system (e.g. camera flashes, outdoor flashes and studio flashes), but also can control for Canon flashes when using in combination with X1R-C receiver. Featuring multi-channel triggering and stable signal transmission, this flash trigger suits for Canon EOS series hotshoe-mounted cameras. 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 Canon EOS series camera models: 1Dx MarkII, 1Dx, 5Ds/5Dsr, 5DIV, 5D MarkIII, 5D MarkII, 5D; 7D MarkII, 7D, 6D, 80D, 70D, 60D, 50D; 40D, 30D, 750D/760D, 700D, 650D, 600D, 550D; 500D, 450D, 400D, 400D Digital, 350D DIGITAL, 100D, 1200D, 1000D; 1100D, M5, M3. Specifications: Model: Xpro-C Compatible Cameras: For Canon EOS cameras (E-TTL ii autoflash) Support for the cameras that have PC sync socket. Power Supply: 2 * AA batteries ( not included) TTL Autoflash: E-TTL ii 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 mode Firmware Upgrade: Upgrade through the Type-C USB port 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 Item Size: 9 * 5.8 * 5cm / 3.5 * 2.3 * 2in Item Weight: 85g / 3oz Package Size: 12.2 * 12.2 * 6.2cm / 3.5 * 2.4 * 2in Package Weight: 168g / 5.9oz Package List: 1 * Xpro-C Flash Trigger 1 * User Manual (English & Chinese) Note: Camera, flash and batteries are not included.