Viltrox JY-670N Macro Ring Flash

key specs for the Viltrox JY-670N Macro Ring Flash:

• Guide Number: 14 (ISO 100)
• Recycle Time: 0.1~5 seconds
• Flash Coverage: 80° for up and down, 80° for left and right
• Flash Ratio Control: Adjust with 1/2 grade increase between 1:8-1 and 1-1:8
• Effective Distance: 20cm-5m
• Color Temperature: 5500K
• Adapter Rings: 6 pieces (49/52/55/58/62/67mm)
• Battery: 4 AA batteries (not included)
• Cable Length: 300-700mm
• Weight: 666g (1.49 lbs)
• Special Features: Twin-tube design, flash tubes can fire together or independently, LCD screen for easy control, wide power output control (22 grades), quick lock button for secure connection, dust- and moisture-resistant construction