Godox X2T-C E-TTL II Bluetooth Wireless Flash Trigger for Canon (Black) 1. Model: X2T-C 2. Compatible cameras: For Canon cameras (E-TTL II auto flash), can be used with cameras with PC sync socket 3. Compatible phones: For iPhone 6s, iPhone 6s Plus, iPhone 7 Plus, iPhone 7, iPhone 8 Plus, iPhone 8, iPhone 6, iPhone 6 Plus, iPhone X; For Huawei P9, P10, P10 plus, P20, P20 pro , Mate 9pro, Mate 9, Mate 10pro, Mate 10; For Samsung Galaxy S8, Galaxy Note8, Galaxy S9 4. Power supply: AA battery x 2 (not included) 5. Flash exposure control 6. TTL autoflash: E-TTL II 7. Manual mode: Yes 8. Multi-flash mode: Yes 9. High-speed synchronization: Yes 10. Rear Curtain Sync: Yes 11. Flash Exposure Compensation: Yes, +- stops in 13 steps 12. FE Lock: Yes 13. Focus Assist: Yes 14. Wireless shutter: The receiver can control the camera to shoot through the 3.5mm sync cable jack 15. Zoom setting: adjust the flash focus through the transmitter TCM function: Convert the shooting parameters in TTL mode to the values in manual mode 16. Firmware upgrade: Support program firmware upgrade via Type C usb cable. Memory function: The parameters will be memorized within 2 seconds after parameter setting, and the original data will be restored after restarting. 17. Transmission range (about) 0-100m 18. Built-in wireless system: 2.4GHz 19. Packing list: Flash Trigger , instructions