YONGNUO YN024 YN600EX-RT Wireless Flash Speedlite 2 Piece Plus YN-E3-RT Radio Transmitter for Canon DSLR Cameras

YN600EX-RT feature: Supports RT System, Fully Compatible with YONGNUO YN-E3-RT, Canon's 600EX-RT/ST-E3-RT Wireless Signal, High Guide Number, Supports High-speed Sync, Supports USB Firmware Upgrade, Supports Wireless Optical Slave function, Support Auto/Manual Zooming , Settings Save Automatically, Supports Custom Settings (Fn, Ultra fast Charging Recycle System, Supports External Power Supply, Equipped with Big Size LCD Display Screen, Standard PC Synchronous Interface , YN-E3-RT Two-way 2.4G radio communication, compatible with ST-3E-RT/600EX-RT, Transmission Range: 100M, Multi YN-E3-RT can share slave flashes, Display group/charge status of slave flashes, High resolution Dot-Matrix LCD, Backlight for LCD/keys, Fast lock mechanism, Built-in AF assist beam emitter, buzzer, Remote shutter release, Linked Shot (Need extra shutter cable for cameras released before 2012), Flash Mode: ETTL/M/Multi/GR 4 flash modes, A/B/C/D/E 5 groups, Supports 1st Curtain, 2nd Curtain (Only in M mode), High speed Sync, Supports ETTL Ratio, Flash Exposure Compensation, Flash Exposure Lock, Flash Exposure, Bracket, Modeling Flash, 9 Custom Functions. Package Including: 2 x YN600EX-RT, 1 x Mini Stand, 1 x YN-E3-RT, 20 x color filters(free gift value $13).