Both work in prime condition. Both have worked fine on my canon and Nikon. For Flash light see the description in the pic. For the Speedlite see the info below. The quality of pictures is amazing due hith indoor and outdoor shoot.


Description

Features:
1.Supports Wireless Master 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. ��2.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. ��3.Multiple Trigger Synchronous Mode Supported ��4.Settings Save Automatically, Supports Custom Settings (Fn)��5.GN58 @ ISO100，105mm��6.Sound Prompting System��7.Suppo

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