The Digital Dedicated Autofocus Illuminator is an e TTL I/II flash for Canon. Its adjustable flash head tilts vertically (0° 90°) and its built in slave mode offers an vital remote flash capability that utilizes indirect illumination that helps eliminate shadows and over saturated subjects. Additional features include red eye reduction, automatic shutter speed setting, second and rear curtain synchronization (for longer shutter speed shooting), an 18 55mm auto zoom range and fast recycling technology. It is powered by 4 AA batteries and comes with a 1 year limited manufacturer"s warranty. Compatible with Canon Rebel XT, XTi, XS, XSi, EOS 30D, 40D, 50D, 60D, T2i, T3, T3i, T4i, T5i, 1D, 1Dx, 5D Mark II, Mark III, 6D, 7D, SL1 and more.