Product model: Yongnuo YN600EX-RTll camera flash
Guide number: 60 (ISO100200mm)
Flash range: 20-200mm
Auto zoom: automatically set the coverage area according to the shooting angle of view and image
Manual zoom | changes according to camera or flash settings
Flash mode|TTL/M/Mult/Gr
Stroboscopic Flash|1/1281/641/32 1/161/81/4
Wireless Flash|Master/Slave Mode, S1/S2
Synchronization mode|High-speed synchronization, front curtain synchronization, rear curtain synchronization
Adjustable angle|up/down: -7/90 degrees left/right: 0 degrees/360 degrees
Manual flash|1/128-1/1 power (1/3 gear increment)
Recycle time|About 0.1-3 seconds (power output 1/128-1/1)

Display|High resolution dot matrix screen
Applicable power supply|4 AA alkaline batteries or nickel-argon batteries external power
External interface hot shoe, PC port, external power interface
Exposure compensation|In 1/3-stop increments, 3 stops
Bracketing | 3 stops in 1/3 stop increments
Featured design | LED fill light and auxiliary setting design
Overheating alarm | Multi-dot temperature control, battery lamp overheating temporarily
Auxiliary Focus|Support
Firmware Update|Support
Size|200mm×70mm×60mm
Weight|430g (without battery)