Approximately 30% faster recycling time, compared to previous model TT560. Zoom head full frame: 24mm-105mm, virtually silent operation. * Compatible with Canon Digital EOS, Nikon /Pentax / Olympus DSLR cameras. * Superior build quality, including a metal foot for added strength. * With the shortest flash duration of 1/20,000 second, this shoe mount flash helps you to capture high-speed objects in complete darknessThis device adopts high-performance CPU circuit design so that it can precisely control the power output and has the lowest power setting down to 1/128.