Godox V860II-C 2.4G GN60 TTL HSS 1/8000s High Power Lithium Battery Slave/Master Speedlite for Canon 6D 7D 50D 60D 1DX 600D 600EX-RT 580EX II 5D Mark II III GN60,TTL,HSS,UP to 1/8000s,20-200 zoom flash coverage,V860II-C built in 2.4G wireless transmission offers all-in-one functions and 100 meters further transmission distance With X1T-C wireless high speed sync trigger (sold separately,search B01GLAM0AU), can remote control V860II-C speedlight with TTL,HSS, and other more functions for better light shooting experience V860II-C flash compatible with Canon EOS cameras and e-TTL autoflash, Fully supports TTL/M/Multi/S1/S2, flash exposure compensation, flash exposure lock, second curtain sync, modeling flash,front curtain sync, rear curtain sync, multi flash, etc. V860II-C as a master unit to control Canon camera speedlites e.g. 600EX-RT,580EX II; as slave flash to receive Canon pop-up flash or speedlite signals. High power rechargeable 2000mAh Li-ion Battery, Max. 1.5S recycle & 650 full power pops,User-friendly LCD display control panel; Support USB firmware upgrade