• Maximum Guide Number of 197 ft./60m at ISO 100 Zoom Flash Head with Wide Range of 24-200mm. • New Rechargeable Li-ion Battery Utilizing LC-E6 Battery Charger. • Improved Recycling Time (0.9 sec.)* and Number of Flashes (335 times)**. • New Active Cooling System Enabling Longer Operation and Improved Thermal Management. • More Versatility with Minimal Power Output Range 1/8192. • Improved User Interface with New Joystick, Display and Control Layout. • LED Modeling Lamp with Adjustable Brightness and Color Temperature. • Same Dust- and Water-Resistance as EOS-1D Series and a New High-Durability Glass Flash Tube. • Support of RT Series Flash Products and Wireless Second-Curtain Sync. • Full Swivel 180° with Bounce up to 120°, Built-in Catch Light Panel and Wide Panel. • Bounce Adapter and Two Color Filters Included. • CP-E4N Battery Pack Compatible and Optional Accessories.