MODEL NO i60 F/NIKON Product Highlights Nissin Air 2.4 GHz Radio TTL System Compatible with Nikon i-TTL Guide Number: 197' at ISO 100 and 200mm Zoom Range: 24-200mm (16mm with Panel) LED Video Light; Color LCD Screen Tilts Upward 90° Rotates Left & Right 180° Recycle Time: 0.1-5.5 Seconds Slow, High-Speed, 1st & 2nd Curtain Sync Runs on 4 AA Batteries or External Pack.   WARRANTY 1 YEAR