Yongnuo Wireless Speedlite YN-600EX-RT for Canon Flash  (Black)

YN-600EX-RT 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 can be used as on-camera master unit and remote slave unit of Canon’s RT system, and supports Gr grouping mode. 2. Fully Compatible with YN-E3-RT, Canon’s 600EX-RT / ST-E3-RT Wireless Signal 2.1) 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. 2.2) 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. 3. High Guide Number, Supports High-speed Sync GN60@ISO100, 200mm; supports high-speed sync TTL, manual flash, Gr grouping flash; the highest synchronous speed can reach 1/8000s. 4. Supports USB Firmware Upgrade The YN600EX-RT equipped with the USB interface, supports firmware upgrade, the users can download the upgrade firmware through the Yongnuo official website to upgrade the flash. 5. Supports Wireless Optical Slave function The YN600EX-RT supports YONGNUO, Canon’s and Nikon’s wireless optical master signal, supports S1 and S2 pre flash cancel mode. 6. Support Auto/Manual Zooming The YN600EX-RT supports auto and manual zooming, the zoom coverage is from 20~200mm. 7. 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. 8. Ultrafast Charging Recycle System, Supports External Power Supply. 9. Equipped with Big Size LCD Display Screen, Standard PC Synchronous Interface. Circuit design Insulated Gate Bipolar Transistor (IGBT) Guide No. 60 meters (ISO 100, 200mm) Flash mode HSS, TTL、M、MULTI, GR Trigger Mode Set-top, wireless master mode, wireless slave mode, Sc, Sn, S1, S2 Wireless triggering distance 20~25m indoor, 10~15m outdoor Zoom range 20, 24, 28, 35, 50, 70, 80, 105, 135, 200mm Vertical rotation angle -7~90 degrees Horizontal rotation angle 0~360 degrees Power supply 4×AAsize batteries (Alkaline or Ni-MH are usable) Lighting times 100~1500 times (AA alkaline cell used) Recycle time approx 3s (AA alkaline cell used) Color temperature 5600k Flash time 1/200s~1/20000s Flash control 8 levels of output control (1/128~1/1), 29 levels of fine tuning External interface hot shoe, PC port Additional features Master flash, High-Speed sync, Second-curtain sync, FEC, FEB, FEV, manual zoom, auto zoom, sound prompt, advanced setting, automatically saving setting, PC port, power saving mode and over heat protection Dimensions 62×78×214mm (Extended state) Net weight 430g