Powerextra Speedlight 600EX-RT GN60 HSS 1/8000s 2.4GHz Wireless Flash Speedlite Auto E-TTL/E-TTL II Master Radio Slave Flash Same as Canon 600EX-RT for All Canon Digital SLR Camera Fully Compatible with Canons 600EX-RT/ST-E3-RT Wireless Signal, Firmware upgrade and 600EX-RT Speedlite Flash is compatible with all Canon EOS REBEL DSLR Cameras with E-TTL II/ E-TTL Autoflash. (Including Canon Rebel T5i T4i T3i T3 T2i T1i XT XTi XSi SL1, CANON EOS 700D 650D 600D 550D 500D 450D 400D 350D 300D 1100D 1000D 100D 60D and Others Canon DSLR Camera). Power Flash with High Guide No.60 (ISO 100/1 meter), 2.4GHz wireless, precise and automatically compatible to E-TTL/E-TTL II, M, Multi. Support 2.4GHz wireless flash as well Head Rotation: Vertical Rotation Angle: -7~90 Degrees, Horizontal Rotation Angle: 0~360 Degrees Recycle time: 0.1- 2.5s. Powered by 4 pcs AA-size battery backup and Ni-MH batteries, add a standard external charging socket for power pack,super speed of charging recycle, it takes only 2.5 seconds to finish a charging cycle after a full level output The flash covers focal length range from 20 to 200mm. Support HSS exposure compensation, exposure bracketing, second-curtain sync, AE lock, Aperture preview, contrast-enhanced flash, auto and manual zooming, firmware upgrade.