YONGNUO YN968EX-RT Wireless TTL Master Flash Speedlite ( Item#: D4478 )

Features:
Equipped with LED Light
Equipped with high power LED light, brightness can be adjusted, there is a built-in diffuser and a color conversion filter for the LED light.
Fully Compatible with YONGNUO YN-E3-RT / YN600EX-RT, for Canon's 600EX-RT / ST-E3-RT Wireless Signal
One YN968EX-RT can be used as master unit to trigger YONGNUO YN600EX-RT, Can0n 600EX-RT, and live display the flash groupings of slave unit and recycling information, one YN968EX-RT can respectively receive the wireless signal of master unit YN600EX-RT, YN-E3-RT, Can0n's 600EX-RT / ST-E3-RT, realizing remote TTL\M\Multi\Gr flash, supports linked shooting with radio transmission.
High Guide Number, Supports High-Speed Sync
GN60@ISO100, 105mm, supports high-speed sync TTL, manual flash, multi flash, Gr grouping flash, the highest synchronous speed can reach 1/8000s.
Support Auto/Manual Zooming
The YN968EX-RT supports auto and manual zooming, the flash coverage can be changed between AUTO, 20~105mm.
Support USB Firmware Upgrade
The YN968EX-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.
Support Wireless Optical Slave Function
The YN968EX-RT supports receiving YONGNUO, Canon's and Nikon's wireless optical master signal, supports S1 and S2 flash mode.
Setting save automatically, supports custom functions (C.Fn), personal functions (P.Fn).
Ultra-fast charging recycle system, supports external power supply.
Equipped with big size LCD display screen, standard PC synchronous interface.

Specifications:
Brand: YONGNUO
Model: YN968EX-RT
Circuit Design: Insulated Gate Bipolar Transistor (IGBT)
Guide No.: 60 (ISO 100, 105mm)
Flash Mode: TTL, M, Multi, Gr
Trigger Mode: Set-top mode, radio wireless master mode, radio wireless slave mode, wireless optical slave mode(SC, SN, SC&SN, S1, S2)
Zoom: Auto, 20, 24, 28, 35, 50, 70, 80, 105
Vertical Rotation Angle: -7~150 degrees
Horizontal Rotation Angle: 0~360 degrees
Power Supply: 4 * AA size batteries (Alkaline or Ni-MH are usable)
Lighting Times: 100~1500 times (AA alkaline cell used)
Recycle Time: Approx 3s (AA alkaline cell used)
Flash 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
LED Luminance: Approx. 300lux (1m)
Optical Transmission Triggering Distance: 20~25m indoor, 10~15m outdoor
Radio Transmission Triggering Distance: Up to 100m
Additional Features: Master flash, high-speed sync, second-curtain sync, FEC, FEB, FEL, the electronic flash head zooming, sound prompt, automatically saving setting, PC port, power saving mode, overheat protection, custom functions(C. Fn), personal functions(P. Fn).
Item Size: 78 * 60.5 * 206mm (extended state)
Item Weight: 530g / 18.7oz
Package Size: 22 * 10 * 9cm / 8.7 * 3.9 * 3.5in
Package Weight: 714g / 25.2oz

Package List:
1 * Speedlite
1 * Protecting Bag
1 * Mini Stand
1 * Color Conversion Filter for LED Light
1 * User Manual (English & Chinese)

Note:
Batteries are not included.