YONGNUO YN14EX II TTL HSS Macro Ringlight Flash for Dental Photography & Macro Shooting For Canon (Black)

1. Product: Macro Ring Flash
2. Circuit design: Insulated Gate Bipolar Transistor (IGBT)
3. Color temperature: 5600K
4. Guide number: GN18 (ISO 100, unit/meter)
5. Flash coverage: About 80 degree up and down / about 80 degree left and right
6. Flash ratio control: 8:1-1:1-1:8 in increments of 1/2
7. Flash Mode: TTL, M
8. External battery: 4 x AA alkaline battery or AA Ni-MH battery (not included)
9. Lighting times: 200-2500 times
10. Recycle time: About 3 seconds
11. Flash control: 8-level brightness control (1/128~1/1), a total of 22-level fine-tuning
12. External interface: Hot shoe, PC port, charging port
13. Control unit volume: 175 x 105 x 160mm
14. Flash unit volume: 135 x 123 x 26mm
15. Net weight: 920g
16. Additional features: Flash ratio control, Rear-curtain sync, LED focus assist light, Exposure compensation, Exposure lock, Voice prompt, Auto save settings,PC synchronization, Charging interface, Power saving modeOverheating protection, Advanced Options Features