Features: 1. Fully Compatible with YN-E3-RT, Canon¡¯s 600EX-RT / ST-E3-RT Wireless Signal 1.1) One YN600EX-RT can be used as master unit to trigger another YONGNUO YN600EX-RT or Canon¡¯s 600EX-RT, and live display the flash groupings of slave unit and recycling information. 1.2) One YN600EX-RT can respectively receive the wireless signal from master unit YN600EX-RT, YN-E3-RT or Canon¡¯s 600EX-RT/ST-E3-RT, achieving remote TTL, M and Gr flash. 2. Settings Save Automatically, Supports Custom Settings (Fn) The parameters on the flash will automatically save when the flash is turned off; the users can customize the setting of the flash. 3. Ultrafast Charging Recycle System, Supports External Power Supply. 4. Equipped with Big Size LCD Display Screen, Standard PC Synchronous Interface. Compatible With: 1), Hot shoe TTL mode: Canon 1Dx, 1Ds series, 1D series, 5DIII, 5DII, 5D, 7D, 60D, 50D, 40D, 30D, 20D, 700D, 650D/T4i, 600D/T3i, 550D/T2i, 500D/T1i, 450D/Xsi, 400D/Xti, 350D, 100D, 1100D, 1000D 2), Wireless TTL Slave mode: Canon 5DIII 7D 60D 700D 650D 600D, Yongnuo ST-E2, Canon 580EX II Nikon SB-910, SB-900, SB-800, SB-700, Commander SU-800, Camera with CLS i-TTL system:D4, D3x, D3s, D3, D2x, D700, D300s, D300, D200, D7000, D90, D80 Canon Commander ST-E3-RT YONGNUO Commander YN-E3-RT 3), Master Mode, It can trigger these flash: YONGNUO: YN568EX II, YN568EX, YN565EX, YN500EX, YN560EX, YN510EX Canon: 600EX-RT, 580EX II, 580EX, 430EX II Package Includes: 1 x Flash Speedlite YN600EX-RT 1 x Protector bag 1 x Mini stand 1 x Manual in English