1. TTL Auto Flash: TTL
2. Manual flash: Yes
3. High-speed synchronization: Yes
4. Rear Curtain Sync: Yes
5. FE Lock: Yes
6. Focus Assist: Yes
7. Modeling light: Control the modeling light by triggering the flash
8. Buzzer: Control the buzzer by triggering the flash
9. Wireless settings: The receiver can control the camera to shoot through the 2.5mm sync cable jack
10. ZOOM setting: Adjust the ZOOM value through the transmitter
11. TCM function: Convert the TTL shot value to the output value of the M node
12. Firmware upgrade: Upgrade via Type-C USB port
13. Memory function: Save the settings after 2 seconds of quick operation, and restore after restarting
14. Transmission range: About 0-100m
15. Built-in wireless: 2.4G
16. Modulation method: MSK
17. Channel: 32
18. Wireless ID: 01-99
19. Number of groups: 16
20. For Sony cameras
21. Power supply: AA battery x 2 (not included)