Aperlite YH-700C Professional DSLR Flash Flashlight for Canon Digital SLR Camera [Supports High-Speed Sync, TTL Modes & Wireless Master Control] Superior output control: 8 master levels and 28 additional levels for fine tuning, max guide number 58 at ISO 100; covers focal length range of 24 mm to 105 mm, ultimate versatility Vertical rotation angle -7 to 90 degrees; horizontal rotation angle 0 to 270 degrees; ultra-fast flash recycle time only 3 seconds Compatible with all Canon EOS DSLR cameras, including EOS-1D X / 5D / 6D / 7D / 60D / 70D / Rebel 2Ti / Rebel 3Ti / Rebel 5Ti, and many more Automatically supports Canon camera TTL, E-TTL, and E-TTL II flash modes, for optimally accurate metering; also supports wireless flash modes Canon Wireless TTL, S1, S2 7.8 x 14.6 x 11.9 cm; requires 4 x AA batteries, battery life up to 1500 flashes