2.4 GHz Wireless Radio Transmission Compatible with Canon E-TTL / E-TTL II Guide Number: 141′ at ISO 100 and 105mm Zoom Range: 24-105mm (14mm with Panel) Tilts Upward 90° Rotates 150° Right & 180° Left Multi Dial, Bounce Panel, & Color Filter Recycle Time: 0.1-3.5 Seconds High-Speed, 1st & 2nd Curtain Sync Runs on 4 AA Batteries
