Yongnuo YN-560 II Speedlight Flash for Canon and Nikon. GN58.

LARGE LCD PANEL Large LCD panel, you can look into and set the functions on the LCD panel clearly. MULTI FLASH SUPPORTED YN560-II is the first manual speedlite supports Multi flash. GN58 @ ISO100, 105mm YONGNUO new large guide number manual speedlite, supporting M/Multi modes. POWER ZOOM FUNCTION By pushing the zoom button on the speedlite, it can make the flash covered focal length range from 24 to 105mm. THE HIGH SENSITIVITY WIRELESS TRIGGERING SENSOR The high sensitivity wireless triggering sensor inherits from YN560, which makes the S1 and S2 mode can be used in outdoor environment and the wireless triggering distance is as long as 15m, as well as 25m indoors. SOUND PROMPT SYSTEM Turn on the sound prompt function, different sounds indicate working situations help you focus on shooting  (Note: the sound can be turned off). Provides charging socket for external power pack - YN560-II provides charging socket for external power pack. YN560-II provides PC port you can make the flash synchronously by connecting to the PC port. In the power saving mode, the speedlite will get automatic shutdown sooner; in the non-saving mode, it will take a longer time before automatic shutdown. YN560-II can automatically save your current setting. It is sensitivity and better feeling to control.