Yongnuo YN-560 IV YN560IV YN560 IV Universal Wireless Flash Speedlite For Canon Nikon Pentax Olympus Fujifilm Panasonic Sony A6500
Specification:
Supports Wireless Master & Slave Function 
The YN560 IV can be used as master unit, provides 3 independent groups with controlling ability, realizing remote control the flash mode, flash output and focal length of the YN560 IV and YN560 III. 
Supports Wireless Slave Function, fully supports YN560-TX,RF-603(I/II) RF-602 Wireless transmitter 
One YN560 IV can respectively receive the wireless signal from YN560 IV,YN560-TX,RF-603 (I/II),RF-602,with optional 16 channels; when the YN560 IV and YN560-TX used as transmitter, it can realize remote control the parameter settings. 
Multiple Trigger Synchronous Mode Supported 
The YN560 IV can triggered through the set top of the camera, 2.4G wireless triggering, S1 and S2 pre flash cancel mode. 
Settings Save Automatically, Supports Custom Settings (Fn)
The parameters on the flash will automatically save when the flash turned off; the users can customize setting the flash function as needed.
GN58 @ ISO100,105mm
High Guide Number 2.4G wireless speedlite, supports M/Multi/-- mode. 
Sound Prompting System
When the sound prompting system is enabled, the different sound ways will prompt different operating state of the flash so as to allow you focus on shooting.
Support Electric Zooming Function 
The flash coverage can be altered between 24~105mm through the [ZOOM] button.
Ultrafast Charging Recycle System, Supports External Power Supply 
Equipped with Big Size LCD Display Screen, Standard PC Synchronous Interface
 
Compatible with :
For Canon:EOS5D,5D2 5D Mark II, 1Ds Mark [ IV / III / II / I ], 1D Mark [ III / II N/ II / I],7DII,7D, 80D 70D 60D ,50D, 40D, 30D, 800D 760D 700D 600D, 550D, 500D, 450D, 400D, 350D ,300D,1100D,1000D 650D 5D2 5D Mark III  6DII,6D,70D 700D

YONGNUO YN560-TX II
Features:
For Canon DSLR cameras.
Support wireless trigger to YONGNUO YN560III/YN560IV/YN660/YN968N/YN860Li speedlite.
Support wireless shutter receiver of RF-602/RF603/RF603 II/RF605.
M/Multi flash modes.
16 channels, transmission range: 100 meters.
Remote control of flash output and zoom per group; up to 6 groups.
Grouping show supports paging and scrolling mode; Customizable maximum grouping.
Large and clear screen, user friendly keys.
Exquisite fuselage design, with quick lock.

Specifications:
Brand: YONGNUO
Model: YN560-TX II
Type: FSK 2.4G Wireless Controller
Distance: 100 meters
Wireless Channel: 16
Flash Mode: M/Multi
Group Control: A/B/C/D/E/F
Zoom Range: 24-105mm
Shutter Interface: 2.5mm
Battery Type: 2pcs AA Batteries (Not included.)
Stand-by Time: 120 hours