neewer 16 channel wireless remote flash trigger and 2.5mm pc receiver for compatible with canon 580ex ii 580ex 550ex 540ez nikon sb900 sb800 sb600 sb28 neewer tt860 tt850 tt560 olympus pentax sigma neewer <p><b>note: pt-16/pt-16ne can not work with any other flash trigger.</b> <p><b>suitable for:</b> <p>canon speedlite 580ex ii, 580ex, 550ex, 540ez, 520ez, 430ex/exii, 430ez, 420ex, 420ez, 380ex <p>nikon speedlight sb-900, sb-800, sb-600, sb-28, sb-27, sb-26, sb-25, sb-24 <p>yongnuo yn-460ii yn-468 yn-560 yn-462 yn-465 yn-467 <p>olympus fl-50, fl36 <p>pentax af-540 fgz, af-360 fgz, af-400 ft, af-240 ft <p>sigma ef-500 dg super, ef-500 dg st, ef-430 <p>sunpak auto 2000dz, 622 pro, 433af, 433d, 383, 355afm 344d, 333d <p>vivitar 285hv (older vivitar 285/283 works only with pc sync) <p>other flash models with a trigger voltage of 12v or lower <p>work with flash units using universal hot shoe like nikon, sigma, olympus, pentax (except sony as they use a special hot shoe) <p>battery for transmitter: 23a-12v mini battery <p>battery for receiver: aaa alkaline battery <p>largest work distance: ≤30m <p>work frenquency: 433mhz <p><b>package contents:</b> <p>1x 16 channels transmitter <p>1x receiver <p>1x pc sync cord for camera