Round zoom head design delivers the smoothest, most pleasing light ever to grace a speedlight Magnetic round flash head rim holds a treasury of light modifiers Beautiful Powerful Flash with GN 92ft / 42m @ISO 100 (105mm) Uses an advanced Lithium-Ion Polymer battery for speedy recycle and longer lif Full power recycle time of fewer than 1.5 seconds Approximately 480 full power flashes per charge Remote TTL power control with the Godox X System built-in Complete compatibility with TTL system features like exposure compensation, EXIF inscription, flash value lock, and High Speed Sync TTL communication flashes as a Master or Slave Control of 4 different wireless groups Backlit Matrix LCD Multipurpose Buttons with Digital Marking for Faster Navigation Zooming head with automatic zoom or manual control High Speed Sync for shutter speeds up to 1/8000 second Front or Rear Curtain Sync Laser AF Assist Lamp For Instant Autofocus Even In Complete Dark On Low ContrastSurfaces SMD LED Modeling Lamp Regular and Intelligent Optical Slave Modes Stable color temperature at 5600±200K over the entire power rang 0 to 270° horizontally (180° in any direction) and -7° to 120° verically