Andoer AD-980II E-TTL Flash Speedlite HSS 1/8000s GN58 Master Slave for Canon EOS 1100D 550D 5D Mark II III / 6D/ 7D/ 60D/ 50D/ 40D/ 700D/ 100D/ 650D/ 600D/ 550D DSLR For Canon cameras. Powerful Flash with High Guide No.58 (ISO 100, 180mm); Flash Coverage: 18-180mm. Multiple shooting modes: E-TTL/M/Multi/Slave C/Slave N/S1/S2 modes. Support sound prompt, rear-curtain sync, power saving mode, over-heat. Can be used as a master or slave unit. Support 4 channels in 3 groups. Quick response: Full output recycle time only 2.9 seconds. Shutter Sync mode: rear-curtain, high speed sync , Max 1/8000s sync speed. Fixed Zoom, Vertical rotation angle: -7-90 degrees, Horizontal rotation angle: 0-360 degrees