-Built-In 2.4GHz X Wireless Radio System
-Compatible with Nikon i-TTL
-Guide Number: 197′ at ISO 100 and 200mm
-Zoom Range: 20-200mm (14mm with Panel)
-Tilts from -7 to 90°
-Rotates Left & Right 180°
-Wireless Master/Slave TTL Functionality
-Recycle Time: 0.1-2.6 Seconds
-High-Speed, 1st & 2nd Curtain Sync
-Runs on Four AA Batteries