YONGNUO YN568EX III Wireless Master & Slave TTL Flash Speedlite with High Speed Sync for Canon DSLR Cameras. Suit for: 1).Hot shoe TTL mode: Canon 1Dx, 1Ds series, 1D series, 5DIV, 5DIII, 5DII, 5D, 7D, 7DII, 6D, 80D, 70D, 60D, 50D, 40D, 30D, 20D, 800D, 750D, 700D, 650D/T4i, 600D/T3i, 550D/T2i, 500D/T1i, 450D/Xsi, 400D/Xti, 350D, 100D, 1100D, 1000D, 1200D, 1300D. 2).Wirelss TTL Slave mode:Canon 5DIII 7D 60D 700D 650D 600D, Yongnuo ST-E2, Canon 580EX II. 3).Master Mode, It can trigger these flash: YONGNUO: YN568EX III, YN568EX II, YN685?YN568EX, YN565EX, YN500EX, YN560EX, YN510EX; Canon: 600EX-RT, 580EX II, 580EX, 430EX II. Functions: ?Master Mode ?Support HSS, the High Speed Sync, up to 1/8000 second, M, MULTI, Sc, Sn, S1, S2 ?Wireless TTL Slave for Canon and Nikon ?Hot shoe TTL for Canon ?Guide Number 58 (ISO 100, 105mm) ?Flash Modes: ETTL / i-TTL, M, Multi Mode ?Modeling Light ?Auto and Manual Zooming Head 24 – 105mm ?Auto Zoom for Sensor Size ?2.5mm Sync Port ?3 Seconds Recycle TimeCons ?Zoom Range 24,28 35 50 70 80 105mm Package Including: 1 x YN-568EX III Flash Speedlite 1 x Mini Stand 1 x Manual in English and Chinese 1 x Yongnuo Original box ( with black protecting bag and wrapped by air bubble sheet)