Neewer E-TTL Flash for Canon Rebel T6i T5i T4i T3i T3 T2i T1i SL1, EOS 760D 750D 700D 650D 600D 1100D 550D 500D 100D 6D, 1Ds Mark III, 1Ds Mark II, 5D Mark III, 5D Mark II, 1D Mark IV, 1D Mark III and All Other Canon DSLR Cameras Powerful Flash with High Guide No. 58 (m) / 190ft(at 105mm focal length,ISO 100 in meters/feet). Charging socket for external power pack: adds a charging socket for external power pack. PC synchronous port: simple for you to use the PC synchronous line. Wireless triggering distance: 20--25m indoor,10--15m outdoor Compatible with Canon DSLR Cameras Backed with Neewer 6-Month 100% Satisfaction Guarantee.