Universal Camera Flash Neewer TT560 for Canon Nikon Pentax Olympus Fuji Panas...
NOT compatible with Canon EOS Rebel SL3/250D，Rebel T7/1500D 2000D，Rebel T100/3000D 4000D， EOS Rebel T7i / 800D. For a test flash, press the test button. After use, press the ON/OFF to OFF to power off.