Powerful On-Camera Manual Flash with GN 197'/ 60m @ISO 100 (200mm) 76ws of pure flash output at your fingertips Uses the same upgraded advanced Li-Ion Polymer battery for speedy recycling and longer life as the FP Zoom Li-on X speedlight series Full power recycle time of fewer than 1.5 seconds Approximately 450 full-power flashes per charge Complete compatibility system features like exposure compensation, EXIF inscription, flash value lock, and High Speed Sync R2 2.4GHz wireless radio communication as a Transmitter or Receiver Auto-Sensing Canon / Nikon / Sony / Panasonic / Olympus / Fuji / Pentax Radio Receiver Modes Control of 4 different wireless groups Receiver Mode operates with R2 wireless trigger on 5 Groups Backlit Matrix LCD Multipurpose Buttons with Digital Marking for Faster Navigation Zooming 20-200mm head with automatic or manual control High Speed Sync for shutter speeds up to 1/8000 second Front or Rear Curtain Sync