Features:
1. Equipped with a high-resolution TFT-LCD screen, real-time display of remaining battery power, built-in power-saving design
2. Built-in 5 colors optional
3. It will automatically sleep and shut down when idle for a long time, and it can be used for about 6 hours under full power
4. 2.4GHz wireless transmission, can remotely trigger YONGNUO flash with built-in RF radio system within 60 meters
5. Built-in RF602/603 radio triggering system, fully compatible with RF radio triggering signals of various products
6. Have 16 channels, 10000 IDs
7. The effective triggering distance can reach 60 meters, the channel can be switched freely, the signal is stable, and the application range is wide
8. Support multi-group flash independent control, and have 5 independent group control capabilities
9. It can remotely control the flash mode, flash output, focal length, strobe number and frequency of the following products

Product parameters:
1. Compatible cameras: for Sony mirrorless cameras with MI hot shoe
2. Radio transmission: 2.4GHz frequency
3. Compatible triggering system: Yongnuo RF radio triggering system
4. Power supply: 3.7V 350mAh lithium battery
5. Flash mode: TTL/M/Multi/Gr
6. Flash sync mode: 1st-curtain sync/2nd-curtain sync/high-speed sync
7. Controllable grouping from unit: A/B/C/D/E
8. Transmission range: about 60 meters
9. Channel: CH1-16
10. ID setting: 10000
11. Remote parameter control: flash mode, flash output, focal length
12. LCD screen: TFT-LCD screen
13. USB interface: Type-C
14. Product size: 5.5 x 5.8 x 3.9 cm
15. Product net weight: 68 grams