Flash YN560 IV 2.4G Wireless Speedlite GN58 Master/Slave On-Camera Flash 24-105mm High Speed Recycling for DSLR Camera

YN560 IV is a universal on-camera speedlite that can operate as either a master or a slave. In master mode it offers control over 3 independent groups, allowing you to remotely adjust flash mode, flash output and the head length of YN560 IV and YN560 III units. As a slave it fully supports YN560-TX, RF-603I/II and RF-602 wireless transmitters. Rated GN58 at ISO100,105mm, this 2.4G wireless flash supports M and Multi (M/Multi) modes. It can be triggered from the camera set-top (hotshoe) or via the 2.4G wireless system. S1 is supported and a pre-flash-canceled mode is available for use with sensitive lighting setups. The flash head zooms electrically from 24-105mm by pressing the [ZOOM] button. An Ultrafast Charging Recycle System provides high-speed recycling for quicker shooting intervals and improved usability. A built-in sound prompt function provides audible indications for different operating states of the speedlite; multiple sound modes are available and the sound can be turned off when desired. Suitable as a replacement flash for DSLR camera use.