Yongnuo YN565EXII - IV. Components Description; Key Component Identification

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IV.COMPONENTS DISCRIPTION
1. Reflection board
2. Wide-angle diffuser
3. Flash head
4. External power socket
(It can be connected to the SF-18C
or SF-17C external Battery Pack)
5. PC port (for input)
6. Port cover
7. Wireless trigger sensor
8. Battery door
9. AF-assist light
10. Locking ring
11. Hot shoe stand
12. Hot shoe contact
13. Sound port