Yongnuo Updated YN600EX-RT II Flash Speedlite for Canon’s 600EX-RT/ST-E3-RT Wireless Signal Camera, Master,USB Firmware Upgrade, 1/8000sec Sync Speed

Specification: YN-600EX-RT II is exactlly the same function as the Canon's best flash 600EX-RT, same functions, same power, even with same apprearance, TTL, HSS, Master Features Information: 1. Supports RT System One YN600EX-RT II can be used as...