YONGNUO YN560IV Wireless Flash Speedlite, GN58 Manaul Multi Master + Slave Flash, Built-in Trigger System, Negative LCD Screen
YN-560 IV Flash Speedlite is a combination of YN-560 III and YN560-TX II, it has built-in wireless trigger system, so you can not only use it as flash speedlite, but also a flash controller Transmitter.
Supports USB Firmware Upgrade
Supports Wireless Master Function
Supports Wireless Slave Function, fully supports YN560-TX, RF-603 II RF-602 Wireless Transmitter
Supports Multiple Trigger Synchronous Mode
Supports setting save automatically, custom settings ( fn )
GN58@ISO100, 105mm ( M / Multi mode )
Supports ultra-fast charging recycle system, External power supply.

YONGNUO YN560-TX PRO N Flash Speedlite Transmitter for Nijon
Specification:
Supports TTL/M/Multi/GR 4 flash modes.
Supports A/B/C/D/E 5 flash groups
Supports high-speed sync, supports TTL light ratio, exposure compensation, exposure lock and other functions.
Supports remote setting of the focal length of slave flashes (only for compatible YONGNUO speedlites )
2.4G radio Maximum communication distance is over 100m
Firmware can be upgraded via USB port.
High resolution dot-matrix LCD, backlight for buttons.
Fast lock mechanism, with custom function, set auto save function
Convenient visual operation
Operational control on compatible cameras.

Package Including:
1 x YN560 IV Flash Unit (Negative LCD Screen)
1 x YN560-TX Pro for Nikon
1 x Protecting bag
1 x Original box
1 x Manual in Chinese and English