The Canon 270EX II is a compact flash unit designed for Canon cameras. when used with select Canon EOS DSLR cameras that have a master function, the Speedlite 270EX II can be used as a wireless slave flash. The 270EX II can also be used with other compact digital camera models equipped with a dedicated flash shoe mount. The 270EX II's Tele/Wide function allows adjustment of illumination angle and guide number to match shooting conditions. Manual power adjustment from 1/1 to 1/64 is also available and it comes with a soft case for storage.