Built-in 2.4GHz X wireless radio system
Compatible with Canon E-TTL/E-TTL II
Guide number: 36 at ISO 100 and 105mm
Zoom range: 24-105mm (14mm with panel)
Tilt from -7 to 90°
Rotates 270°
Wireless Master/Slave TTL functionality
Recycling time: 0.1-2.2 seconds
High speed, 1st and 2nd curtain synchronization
Operates on two AA batteries
Also available for Nikon