Compatible with Canon E-TTL / E-TTL II system
Built-In 2.4GHz X Wireless Radio System
Guide Number: 60m at ISO 100 and 200mm
Zoom Range: 20-200mm (14mm with Panel)
Tilts from -7 to 120°
Rotates Horizontally to 330°
Wireless Master/Slave TTL Functionality
Recycle Time: 0.1-2.6 Seconds
High-Speed, 1st & 2nd Curtain Sync
Runs on Four AA Batteries