Godox V1O Round Head TTL Flash Speedlite for Olympus (Black) Features: 1. The circular zoom head is designed to provide the smooth and pleasing light ever to the flash 2. A treasure trove of light modulators on the edge of the magnetic circular flash head 3. GN 92ft 42m at ISO 100 (105mm) beautiful and powerful flash 4. Using advanced lithium-ion polymer battery, it can be recycled quickly and prolong the service life 5. Less than 1.5 seconds full power cycle time 6. About 480 full power flashes per charge 7. Built-in Godox X system remote TTL power control 8. Fully compatible with TTL system functions such as exposure compensationEXIF markflash value lock and high-speed sync 9. TTL communication flashing master or slave 10. Control 4 different wireless groups 11. Backlit matrix LCD 12. Multifunction buttons with digital markings for faster navigation 13. Zoom head with automatic zoom or manual control 14. High-speed sync with shutter speed up to 18000 second 15. Front and rear curtain sync 16. Laser AF assist light for instant autofocus even in complete darkness on low-contrast surfaces 17. SMD LED modeling light, regular and smart light from mode 18. Color temperature: 5600+-200K 19. Horizontal 0 to 270 degrees (180 degrees in any direction) and vertical -7 degrees to 120 degrees Packageg list: 1. Flash x 1 2. US standard charging adapter x 1 3. USB charging cable x 1 4. Battery charging base x 1 5. Mini Stand x 1 6. Manual x 1 7. Storage bag x 1