YONGNUO YN-565EX II TTL Flash Speedlite With High Guide Number For Canon 6D 7D, 70D 60D, 600D, XSi XTi T1i T2i T3 One YN565EX II is able to accept the internal flashing of YN568EX II, 580EX II, SB-900/800/700,7D/60D/600D, C order of N's internal flashing and wireless signal of ST-E2,supports 4 channels,achieves external TTL and manual flashing. GN58@ISO100,105mm,supports TTL/M/MULTI flash mode. YN565EX II can be triggered by the camera set-top, built-in or master control flashing command, S1 and S2 pre-flashing. FEC, FEB, Rear-curtain sync, FE lock, Aperture preview modeling light, Canon camera menu accessible. YN565EX II provides charging socket for external power pack, to meet your higher demand for charging recycle.